<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilities" xlink:href="ghc-20171231.xsd#AccountsReceivableAccountsPayableAndAccruedLiabilities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilitiesDetails1" xlink:href="ghc-20171231.xsd#AccountsReceivableAccountsPayableAndAccruedLiabilitiesDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilitiesNarrativeDetails" xlink:href="ghc-20171231.xsd#AccountsReceivableAccountsPayableAndAccruedLiabilitiesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilitiesTables" xlink:href="ghc-20171231.xsd#AccountsReceivableAccountsPayableAndAccruedLiabilitiesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:href="ghc-20171231.xsd#AccumulatedOtherComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossAociBalancesDetails2" xlink:href="ghc-20171231.xsd#AccumulatedOtherComprehensiveIncomeLossAociBalancesDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossComponentsOfOciDetails1" xlink:href="ghc-20171231.xsd#AccumulatedOtherComprehensiveIncomeLossComponentsOfOciDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails3" xlink:href="ghc-20171231.xsd#AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:href="ghc-20171231.xsd#AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinesses" xlink:href="ghc-20171231.xsd#AcquisitionsAndDispositionsOfBusinesses" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesAcquiredAssetsAndLiabilitiesAssumedDetails1" xlink:href="ghc-20171231.xsd#AcquisitionsAndDispositionsOfBusinessesAcquiredAssetsAndLiabilitiesAssumedDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesNarrativeDetails" xlink:href="ghc-20171231.xsd#AcquisitionsAndDispositionsOfBusinessesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesProFormaFinancialsDetails2" xlink:href="ghc-20171231.xsd#AcquisitionsAndDispositionsOfBusinessesProFormaFinancialsDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesSignificantComponentDetails3" xlink:href="ghc-20171231.xsd#AcquisitionsAndDispositionsOfBusinessesSignificantComponentDetails3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesTables" xlink:href="ghc-20171231.xsd#AcquisitionsAndDispositionsOfBusinessesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/BusinessSegments" xlink:href="ghc-20171231.xsd#BusinessSegments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/BusinessSegmentsInformationByOperatingSegmentDetails2" xlink:href="ghc-20171231.xsd#BusinessSegmentsInformationByOperatingSegmentDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/BusinessSegmentsNarrativeDetails" xlink:href="ghc-20171231.xsd#BusinessSegmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/BusinessSegmentsRestructuringCostsDetails1" xlink:href="ghc-20171231.xsd#BusinessSegmentsRestructuringCostsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/BusinessSegmentsTables" xlink:href="ghc-20171231.xsd#BusinessSegmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptions" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsAntidilutiveSharesDetails6" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsAntidilutiveSharesDetails6" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsEarningsPerShareDetails5" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsEarningsPerShareDetails5" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsFairValueAssumptionsDetails4" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsFairValueAssumptionsDetails4" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsNarrativeDetails" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsOptionsOutstandingAndExercisableDetails3" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsOptionsOutstandingAndExercisableDetails3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsStockAwardsRollforwardDetails1" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsStockAwardsRollforwardDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsStockOptionsRollforwardDetails2" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsStockOptionsRollforwardDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsTables" xlink:href="ghc-20171231.xsd#CapitalStockStockAwardsAndStockOptionsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedBalanceSheets" xlink:href="ghc-20171231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedBalanceSheetsCalc2" xlink:href="ghc-20171231.xsd#ConsolidatedBalanceSheetsCalc2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedBalanceSheetsParentheticals" xlink:href="ghc-20171231.xsd#ConsolidatedBalanceSheetsParentheticals" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="ghc-20171231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedStatementsOfChangesInCommonShareholdersEquity" xlink:href="ghc-20171231.xsd#ConsolidatedStatementsOfChangesInCommonShareholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="ghc-20171231.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ConsolidatedStatementsOfOperations" xlink:href="ghc-20171231.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/Contingencies" xlink:href="ghc-20171231.xsd#Contingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/ContingenciesDetails" xlink:href="ghc-20171231.xsd#ContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/Debt" xlink:href="ghc-20171231.xsd#Debt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DebtDetails1" xlink:href="ghc-20171231.xsd#DebtDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DebtNarrativeDetails" xlink:href="ghc-20171231.xsd#DebtNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DebtTables" xlink:href="ghc-20171231.xsd#DebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DiscontinuedOperations" xlink:href="ghc-20171231.xsd#DiscontinuedOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DiscontinuedOperationsNarrativeDetails" xlink:href="ghc-20171231.xsd#DiscontinuedOperationsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DiscontinuedOperationsSummarizedIncomeLossFromDiscontinuedOperationsNetOfTaxDetails3" xlink:href="ghc-20171231.xsd#DiscontinuedOperationsSummarizedIncomeLossFromDiscontinuedOperationsNetOfTaxDetails3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DiscontinuedOperationsTables" xlink:href="ghc-20171231.xsd#DiscontinuedOperationsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DisontinuedOperationsCarryingAmountOfAssetsAndLiabilitiesIncludedInDiscontinuedOperationsDetails1" xlink:href="ghc-20171231.xsd#DisontinuedOperationsCarryingAmountOfAssetsAndLiabilitiesIncludedInDiscontinuedOperationsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/DocumentAndEntityInformation" xlink:href="ghc-20171231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/FairValueMeasurements" xlink:href="ghc-20171231.xsd#FairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/FairValueMeasurementsDetails1" xlink:href="ghc-20171231.xsd#FairValueMeasurementsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/FairValueMeasurementsNarrativeDetails" xlink:href="ghc-20171231.xsd#FairValueMeasurementsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/FairValueMeasurementsTables" xlink:href="ghc-20171231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssets" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsChangesInCarryingAmountOfGoodwillDetails1" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssetsChangesInCarryingAmountOfGoodwillDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsFiniteLivedIntangibleAssetsNarrativeDetails" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssetsFiniteLivedIntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsGoodwillAndOtherIntangibleAssetsGoodwillNarrativeDetails" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssetsGoodwillAndOtherIntangibleAssetsGoodwillNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsGoodwillAndOtherIntangibleAssetsIndefiniteLivedIntangibleAssetsNarrativeDetails" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssetsGoodwillAndOtherIntangibleAssetsIndefiniteLivedIntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails2" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsTables" xlink:href="ghc-20171231.xsd#GoodwillAndOtherIntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxes" xlink:href="ghc-20171231.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesDeferredIncomeTaxesComponentsDetails4" xlink:href="ghc-20171231.xsd#IncomeTaxesDeferredIncomeTaxesComponentsDetails4" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesDeferredTaxValluationAllowancesDetails6" xlink:href="ghc-20171231.xsd#IncomeTaxesDeferredTaxValluationAllowancesDetails6" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesIncomeFromOperationsDetails1" xlink:href="ghc-20171231.xsd#IncomeTaxesIncomeFromOperationsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesIncomeTaxReconciliationDetails3" xlink:href="ghc-20171231.xsd#IncomeTaxesIncomeTaxReconciliationDetails3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesIncomeTaxesUnrecognizedTaxBenefitsRollforwardDetails7" xlink:href="ghc-20171231.xsd#IncomeTaxesIncomeTaxesUnrecognizedTaxBenefitsRollforwardDetails7" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesNarrativeDetails" xlink:href="ghc-20171231.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesOperatingLossCarryforwardsDetails5" xlink:href="ghc-20171231.xsd#IncomeTaxesOperatingLossCarryforwardsDetails5" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesProvisionForIncomeTaxesComponentsDetails2" xlink:href="ghc-20171231.xsd#IncomeTaxesProvisionForIncomeTaxesComponentsDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/IncomeTaxesTables" xlink:href="ghc-20171231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/InventoriesAndContractsInProgress" xlink:href="ghc-20171231.xsd#InventoriesAndContractsInProgress" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/InventoriesAndContractsInProgressDetails" xlink:href="ghc-20171231.xsd#InventoriesAndContractsInProgressDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/InventoriesAndContractsInProgressTables" xlink:href="ghc-20171231.xsd#InventoriesAndContractsInProgressTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/Investments" xlink:href="ghc-20171231.xsd#Investments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/InvestmentsInvestmentsInMarketableEquitySecuritiesDetails1" xlink:href="ghc-20171231.xsd#InvestmentsInvestmentsInMarketableEquitySecuritiesDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/InvestmentsNarrativeDetails" xlink:href="ghc-20171231.xsd#InvestmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/InvestmentsTables" xlink:href="ghc-20171231.xsd#InvestmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/LeasesAndOtherCommitments" xlink:href="ghc-20171231.xsd#LeasesAndOtherCommitments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/LeasesAndOtherCommitmentsDetails1" xlink:href="ghc-20171231.xsd#LeasesAndOtherCommitmentsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/LeasesAndOtherCommitmentsNarrativeDetails" xlink:href="ghc-20171231.xsd#LeasesAndOtherCommitmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/LeasesAndOtherCommitmentsTables" xlink:href="ghc-20171231.xsd#LeasesAndOtherCommitmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/OrganizationAndNatureOfOperations" xlink:href="ghc-20171231.xsd#OrganizationAndNatureOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/OrganizationAndNatureOfOperationsNarrativeDetails" xlink:href="ghc-20171231.xsd#OrganizationAndNatureOfOperationsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/OtherNonOperatingExpenseIncome" xlink:href="ghc-20171231.xsd#OtherNonOperatingExpenseIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/OtherNonOperatingExpenseIncomeNarrativeDetails" xlink:href="ghc-20171231.xsd#OtherNonOperatingExpenseIncomeNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/OtherNonOperatingExpenseIncomeTables" xlink:href="ghc-20171231.xsd#OtherNonOperatingExpenseIncomeTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/OtherNonOperatingIncomeExpenseDetails1" xlink:href="ghc-20171231.xsd#OtherNonOperatingIncomeExpenseDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlans" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlans" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansAccumulatedOtherComprehensiveIncomeDetails7" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansAccumulatedOtherComprehensiveIncomeDetails7" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansAssetAllocationDetails9" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansAssetAllocationDetails9" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansAssumedHealthCareCostTrendRatesDetails12" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansAssumedHealthCareCostTrendRatesDetails12" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansConsolidatedBalanceSheetDetails2" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansConsolidatedBalanceSheetDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansFairValueOfPensionPlanAssetsDetails10" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansFairValueOfPensionPlanAssetsDetails10" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansFutureAmortizationOfNetPeriodicCostDetails8" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansFutureAmortizationOfNetPeriodicCostDetails8" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansFutureEstimatedBenefitPaymentsDetails4" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansFutureEstimatedBenefitPaymentsDetails4" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansKeyAssumptionsCostDetails6" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansKeyAssumptionsCostDetails6" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansKeyAssumptionsObligationDetails3" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansKeyAssumptionsObligationDetails3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansNarrativeDetails" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansObligationAssetAndFundingInformationDetails1" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansObligationAssetAndFundingInformationDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansReconciliationOfChangeInPensionPlanAssetsFairValueUsingLevel3InputsDetails11" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansReconciliationOfChangeInPensionPlanAssetsFairValueUsingLevel3InputsDetails11" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansTables" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PensionAndPostretirementPlansTotalBenefitCostDetails5" xlink:href="ghc-20171231.xsd#PensionAndPostretirementPlansTotalBenefitCostDetails5" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PropertyPlantAndEquipment" xlink:href="ghc-20171231.xsd#PropertyPlantAndEquipment" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PropertyPlantAndEquipmentDetails" xlink:href="ghc-20171231.xsd#PropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PropertyPlantAndEquipmentNarrativeDetails" xlink:href="ghc-20171231.xsd#PropertyPlantAndEquipmentNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/PropertyPlantAndEquipmentTables" xlink:href="ghc-20171231.xsd#PropertyPlantAndEquipmentTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/RedeemablePreferredStock" xlink:href="ghc-20171231.xsd#RedeemablePreferredStock" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/RedeemablePreferredStockDetails" xlink:href="ghc-20171231.xsd#RedeemablePreferredStockDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeNarrativeDetails" xlink:href="ghc-20171231.xsd#SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnaudited" xlink:href="ghc-20171231.xsd#SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedQuarterlyImpactOfCertainItemsDetails2" xlink:href="ghc-20171231.xsd#SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedQuarterlyImpactOfCertainItemsDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedQuarterlyResultsDetails1" xlink:href="ghc-20171231.xsd#SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedQuarterlyResultsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedTables" xlink:href="ghc-20171231.xsd#SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="ghc-20171231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="ghc-20171231.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesPolicy" xlink:href="ghc-20171231.xsd#SummaryOfSignificantAccountingPoliciesPolicy" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesRecentlyAdoptedAndIssuedAccountingPronoucementsDetails1" xlink:href="ghc-20171231.xsd#SummaryOfSignificantAccountingPoliciesRecentlyAdoptedAndIssuedAccountingPronoucementsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesRecentlyAdoptedAndIssuedAccountingPronouncementsNarrativeDetails" xlink:href="ghc-20171231.xsd#SummaryOfSignificantAccountingPoliciesRecentlyAdoptedAndIssuedAccountingPronouncementsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesTables" xlink:href="ghc-20171231.xsd#SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilities" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilitiesDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsAndOtherReceivablesNetCurrent" xlink:label="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_a49b2311-5f8f-b335-065c-39c7f2da5037" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_a49b2311-5f8f-b335-065c-39c7f2da5037" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_us-gaap_OtherReceivables_39eb7f66-4e82-f33a-b75d-02348ed994c1" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_a49b2311-5f8f-b335-065c-39c7f2da5037" xlink:to="loc_us-gaap_OtherReceivables_39eb7f66-4e82-f33a-b75d-02348ed994c1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_6832cb4d-f6a5-2eaf-1607-6c96a65b5d1d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:to="loc_us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_6832cb4d-f6a5-2eaf-1607-6c96a65b5d1d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_cf9ed09f-3dd1-4a4b-d3fc-3b0db18c1b40" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_cf9ed09f-3dd1-4a4b-d3fc-3b0db18c1b40" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilitiesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccountsReceivableAccountsPayableAndAccruedLiabilitiesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossAociBalancesDetails2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_80870f71-876e-eaaa-f0a4-8338d8e9798b" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_80870f71-876e-eaaa-f0a4-8338d8e9798b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_c1323577-e536-9051-1401-d064e7621fd6" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_c1323577-e536-9051-1401-d064e7621fd6" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossComponentsOfOciDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_80870f71-876e-eaaa-f0a4-8338d8e9798b" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_b674c110-7812-0dc8-8cc2-4f91aba944fc" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_80870f71-876e-eaaa-f0a4-8338d8e9798b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_b674c110-7812-0dc8-8cc2-4f91aba944fc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_84c98a8a-c01f-0f38-3ce9-e36c906305cf" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_80870f71-876e-eaaa-f0a4-8338d8e9798b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_84c98a8a-c01f-0f38-3ce9-e36c906305cf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_c1323577-e536-9051-1401-d064e7621fd6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_7ca9750b-5cc8-aa85-3585-a06b9895ebbb" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_c1323577-e536-9051-1401-d064e7621fd6" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_7ca9750b-5cc8-aa85-3585-a06b9895ebbb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_061de37f-a226-2a79-ad31-92c9dc51a118" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_c1323577-e536-9051-1401-d064e7621fd6" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_061de37f-a226-2a79-ad31-92c9dc51a118" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_fd5fd01d-ccd5-2fe2-e9ee-a9a84a842378" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_fd5fd01d-ccd5-2fe2-e9ee-a9a84a842378" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_84c98a8a-c01f-0f38-3ce9-e36c906305cf" xlink:type="arc" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_fd5fd01d-ccd5-2fe2-e9ee-a9a84a842378" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_061de37f-a226-2a79-ad31-92c9dc51a118" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails3" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinesses" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesAcquiredAssetsAndLiabilitiesAssumedDetails1" xlink:type="extended">
    <link:loc xlink:href="ghc-20171231.xsd#ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived" xlink:label="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_95ec2852-df8b-d033-5d13-a8d506cf481d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_95ec2852-df8b-d033-5d13-a8d506cf481d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_de234906-4555-79c4-6c13-51f5af410421" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_de234906-4555-79c4-6c13-51f5af410421" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_4e5d7007-764c-d3cb-5dbd-3a33b1b3941c" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_4e5d7007-764c-d3cb-5dbd-3a33b1b3941c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_02f943d6-5f24-2ca2-373c-a3846d82b619" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_02f943d6-5f24-2ca2-373c-a3846d82b619" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_72cc2501-68a2-887c-26e3-e18106a6e94e" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_72cc2501-68a2-887c-26e3-e18106a6e94e" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherAssets" xlink:label="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherAssets_346d4d72-4867-a6a1-0bad-8824a2ea7899" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherAssets_346d4d72-4867-a6a1-0bad-8824a2ea7899" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPensionandOtherPostRetirementBenefitsLiabilities" xlink:label="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPensionandOtherPostRetirementBenefitsLiabilities_d6f6709f-376a-8dde-4983-880ed9a325a1" xlink:type="locator" />
    <link:calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPensionandOtherPostRetirementBenefitsLiabilities_d6f6709f-376a-8dde-4983-880ed9a325a1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_534c4147-6a9f-f763-f45b-0d025f929de9" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_534c4147-6a9f-f763-f45b-0d025f929de9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_075b67f7-744f-57f0-72b0-182aaf115b56" xlink:type="locator" />
    <link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_075b67f7-744f-57f0-72b0-182aaf115b56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_1a2775dc-bec6-770c-7ab4-5cb038b02422" xlink:type="locator" />
    <link:calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedLessNoncontrollingInterestNetOfCashReceived_13690ff3-b87a-59a8-6df9-880ed8648fa3" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_1a2775dc-bec6-770c-7ab4-5cb038b02422" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_5a23735a-10c2-64f7-3d5a-453792d1607d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_5a23735a-10c2-64f7-3d5a-453792d1607d" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_95ec2852-df8b-d033-5d13-a8d506cf481d" xlink:type="arc" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_de234906-4555-79c4-6c13-51f5af410421" xlink:type="arc" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherAssets_346d4d72-4867-a6a1-0bad-8824a2ea7899" xlink:type="arc" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_4e5d7007-764c-d3cb-5dbd-3a33b1b3941c" xlink:type="arc" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="arc" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_02f943d6-5f24-2ca2-373c-a3846d82b619" xlink:type="arc" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_72cc2501-68a2-887c-26e3-e18106a6e94e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_22355879-a922-e02e-8d98-a3c4d4cf8141" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_22355879-a922-e02e-8d98-a3c4d4cf8141" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_be81a681-04d4-2a84-d950-11ec53ecb0e8" xlink:type="locator" />
    <link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_be81a681-04d4-2a84-d950-11ec53ecb0e8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_e9cfbc01-ec7a-ebc3-f488-1f351e7b5937" xlink:type="locator" />
    <link:calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_e9cfbc01-ec7a-ebc3-f488-1f351e7b5937" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_59b5a870-473e-a341-cb76-880ed7be7445" xlink:type="locator" />
    <link:calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_ghc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_59b5a870-473e-a341-cb76-880ed7be7445" xlink:type="arc" />
    <link:calculationArc order="13" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_4016ff8b-e2b0-58cf-5c7a-8080f6b1f0ce" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_1a2775dc-bec6-770c-7ab4-5cb038b02422" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesProFormaFinancialsDetails2" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesSignificantComponentDetails3" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/AcquisitionsAndDispositionsOfBusinessesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/BusinessSegments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/BusinessSegmentsInformationByOperatingSegmentDetails2" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/BusinessSegmentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/BusinessSegmentsRestructuringCostsDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserveAcceleratedDepreciation" xlink:label="loc_us-gaap_RestructuringReserveAcceleratedDepreciation_1db848a1-40a6-5738-7efa-130ab3cc68c9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:to="loc_us-gaap_RestructuringReserveAcceleratedDepreciation_1db848a1-40a6-5738-7efa-130ab3cc68c9" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_RestructuringReserveLeaseObligationLosses" xlink:label="loc_ghc_RestructuringReserveLeaseObligationLosses_4571e160-1ab6-5938-b0b6-8824a2127db5" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:to="loc_ghc_RestructuringReserveLeaseObligationLosses_4571e160-1ab6-5938-b0b6-8824a2127db5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="loc_us-gaap_SeveranceCosts1_e0e093aa-0075-43de-2f65-66924da64b1f" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:to="loc_us-gaap_SeveranceCosts1_e0e093aa-0075-43de-2f65-66924da64b1f" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_RestrucuturingSoftwareAssetWriteoffs" xlink:label="loc_ghc_RestrucuturingSoftwareAssetWriteoffs_1736fddd-b31e-d889-7a45-88249fe066de" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:to="loc_ghc_RestrucuturingSoftwareAssetWriteoffs_1736fddd-b31e-d889-7a45-88249fe066de" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRestructuringCosts" xlink:label="loc_us-gaap_OtherRestructuringCosts_62e03d46-3752-1c62-2aaf-989243fa168d" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:to="loc_us-gaap_OtherRestructuringCosts_62e03d46-3752-1c62-2aaf-989243fa168d" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/BusinessSegmentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptions" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsAntidilutiveSharesDetails6" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsEarningsPerShareDetails5" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UndistributedEarnings" xlink:label="loc_us-gaap_UndistributedEarnings_23384102-6435-fa3a-8085-9ee8ea8bb574" xlink:type="locator" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DividendsPaidCommonStockAndSharebasedCompensationCash" xlink:label="loc_ghc_DividendsPaidCommonStockAndSharebasedCompensationCash_4a18ef84-d4bd-b47f-1b84-880ed77f1695" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UndistributedEarnings_23384102-6435-fa3a-8085-9ee8ea8bb574" xlink:to="loc_ghc_DividendsPaidCommonStockAndSharebasedCompensationCash_4a18ef84-d4bd-b47f-1b84-880ed77f1695" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_29cb4575-1df0-23a0-aea0-70de299da05c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UndistributedEarnings_23384102-6435-fa3a-8085-9ee8ea8bb574" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_29cb4575-1df0-23a0-aea0-70de299da05c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_ba98cf3d-8c3a-45da-49f9-ba76e12862c3" xlink:type="locator" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_BasicIncomeFromContinuingOperationsAttributableToCommonStockholders" xlink:label="loc_ghc_BasicIncomeFromContinuingOperationsAttributableToCommonStockholders_f0d93e2f-3ca5-77ed-2757-880ed8be3666" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_ba98cf3d-8c3a-45da-49f9-ba76e12862c3" xlink:to="loc_ghc_BasicIncomeFromContinuingOperationsAttributableToCommonStockholders_f0d93e2f-3ca5-77ed-2757-880ed8be3666" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_UndistributedEarningsAllocatedToCommonStockholders" xlink:label="loc_ghc_UndistributedEarningsAllocatedToCommonStockholders_5e53e6cf-f002-28c8-851d-880ed7472115" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BasicIncomeFromContinuingOperationsAttributableToCommonStockholders_f0d93e2f-3ca5-77ed-2757-880ed8be3666" xlink:to="loc_ghc_UndistributedEarningsAllocatedToCommonStockholders_5e53e6cf-f002-28c8-851d-880ed7472115" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_e287bfdf-4ff0-e354-8bf5-da670d1f2b6e" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_BasicIncomeFromContinuingOperationsAttributableToCommonStockholders_f0d93e2f-3ca5-77ed-2757-880ed8be3666" xlink:to="loc_us-gaap_DividendsCommonStockCash_e287bfdf-4ff0-e354-8bf5-da670d1f2b6e" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_AdditionalUndistributedEarningsDueToDilutiveStockOptions" xlink:label="loc_ghc_AdditionalUndistributedEarningsDueToDilutiveStockOptions_4e7d71c4-a8cc-5668-1456-880edaf06f31" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_ba98cf3d-8c3a-45da-49f9-ba76e12862c3" xlink:to="loc_ghc_AdditionalUndistributedEarningsDueToDilutiveStockOptions_4e7d71c4-a8cc-5668-1456-880edaf06f31" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsFairValueAssumptionsDetails4" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsOptionsOutstandingAndExercisableDetails3" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsStockAwardsRollforwardDetails1" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsStockOptionsRollforwardDetails2" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/CapitalStockStockAwardsAndStockOptionsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_241c670a-403b-5d35-d316-2bd699258d33" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_241c670a-403b-5d35-d316-2bd699258d33" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_InvestmentsInMarketableEquitySecuritiesAndOtherInvestments" xlink:label="loc_ghc_InvestmentsInMarketableEquitySecuritiesAndOtherInvestments_1f69e7e1-f431-15ed-711f-880ed73f32b7" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_ghc_InvestmentsInMarketableEquitySecuritiesAndOtherInvestments_1f69e7e1-f431-15ed-711f-880ed73f32b7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsAndOtherReceivablesNetCurrent" xlink:label="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_a49b2311-5f8f-b335-065c-39c7f2da5037" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_a49b2311-5f8f-b335-065c-39c7f2da5037" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_789a7873-b967-40a1-5141-a622987f261b" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_IncomeTaxesReceivable_789a7873-b967-40a1-5141-a622987f261b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_02915ede-9b4f-04d7-f804-a5c5e4bc39d2" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_02915ede-9b4f-04d7-f804-a5c5e4bc39d2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings" xlink:label="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_1cb4a384-e314-2300-ad55-c1ed289c8f7a" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_OtherAssetsCurrent_1cb4a384-e314-2300-ad55-c1ed289c8f7a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_42d61097-0951-9fd0-ccda-87d8624a6e85" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_42d61097-0951-9fd0-ccda-87d8624a6e85" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_76e8d839-867c-df13-a643-4da04e725367" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_76e8d839-867c-df13-a643-4da04e725367" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_6856ee03-da61-f933-c0ca-753825e64ebf" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_6856ee03-da61-f933-c0ca-753825e64ebf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_b361a033-37cf-a2bc-6e1f-0297b90aa5a9" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_b361a033-37cf-a2bc-6e1f-0297b90aa5a9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_bd3a7ae4-0e62-b7df-2312-729d1644863d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_bd3a7ae4-0e62-b7df-2312-729d1644863d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesCurrent_f67b46d8-bdd7-8d7e-ab32-88ad856bad03" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesCurrent_f67b46d8-bdd7-8d7e-ab32-88ad856bad03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_7befc5cf-839d-5f10-9adb-3081595dab8a" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_7befc5cf-839d-5f10-9adb-3081595dab8a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_13bb68ff-220d-fc94-a876-04b8f3aef199" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_13bb68ff-220d-fc94-a876-04b8f3aef199" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_644ceb1c-07ef-6a89-f014-9d7b5dfbc918" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_DeferredTaxLiabilities_644ceb1c-07ef-6a89-f014-9d7b5dfbc918" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent" xlink:label="loc_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_e44546c3-a860-2d18-3b4a-21e84e92c58d" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_e44546c3-a860-2d18-3b4a-21e84e92c58d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_c3b9426a-456e-2e20-8220-9338acf9491e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_c3b9426a-456e-2e20-8220-9338acf9491e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_4b3bbfa7-a312-00ec-9070-7ec1d5e4ff40" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_4b3bbfa7-a312-00ec-9070-7ec1d5e4ff40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:to="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_2d1b9d27-8b19-82d9-2843-5b3d292b7fbb" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AdditionalPaidInCapital_2d1b9d27-8b19-82d9-2843-5b3d292b7fbb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_c4b01a56-17cc-50a6-4d4b-5246d14da9dc" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_c4b01a56-17cc-50a6-4d4b-5246d14da9dc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_e38d562c-e1dd-d525-b8c6-f86d8a100397" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_e38d562c-e1dd-d525-b8c6-f86d8a100397" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_ac65944e-d0a3-7081-a0ad-366dc25783e8" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_ac65944e-d0a3-7081-a0ad-366dc25783e8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_e29c472a-465e-2c89-1ec3-faa641b16e0c" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_e29c472a-465e-2c89-1ec3-faa641b16e0c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_40678492-c421-af67-b276-f663f9ff2f98" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_TreasuryStockValue_40678492-c421-af67-b276-f663f9ff2f98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_CommonStockValue_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_cb565c4d-35c2-d825-4672-f1619e51c133" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:to="loc_us-gaap_MinorityInterest_cb565c4d-35c2-d825-4672-f1619e51c133" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_4fb6195d-d905-dac7-e5a0-79f324993f79" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_PreferredStockValue_4fb6195d-d905-dac7-e5a0-79f324993f79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_058e01e4-b9a1-623e-29f5-1b5c79bf095a" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_CommitmentsAndContingencies_058e01e4-b9a1-623e-29f5-1b5c79bf095a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedBalanceSheetsCalc2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_27063249A132BD9A5F37BA0AB9B7B578_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_27063249A132BD9A5F37BA0AB9B7B578_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_27063249A132BD9A5F37BA0AB9B7B578_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_CommonStockValue_27063249A132BD9A5F37BA0AB9B7B578_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedBalanceSheetsParentheticals" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_84cc24ed-d44c-2db0-9066-6b54091db5c7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_84cc24ed-d44c-2db0-9066-6b54091db5c7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DepreciationDepletionAmortizationAndImpairment" xlink:label="loc_ghc_DepreciationDepletionAmortizationAndImpairment_1f051372-87a5-7a01-4816-880eda055741" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_DepreciationDepletionAmortizationAndImpairment_1f051372-87a5-7a01-4816-880eda055741" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseAndSettlementIncludingSpinoffCurtailment" xlink:label="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseAndSettlementIncludingSpinoffCurtailment_3ffafb31-8874-3cd8-aa58-880ed6878b88" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseAndSettlementIncludingSpinoffCurtailment_3ffafb31-8874-3cd8-aa58-880ed6878b88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod" xlink:label="loc_us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod_e1179d90-f948-e301-62e2-08c5475dcf40" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod_e1179d90-f948-e301-62e2-08c5475dcf40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_e3eecf87-b290-4567-8a59-5b0a8e27c85b" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ShareBasedCompensation_e3eecf87-b290-4567-8a59-5b0a8e27c85b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_303ce027-35e0-90c6-b665-c64d3c33d4e9" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_303ce027-35e0-90c6-b665-c64d3c33d4e9" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_NetGainLossOnSalesAndDispositionofBusinesses" xlink:label="loc_ghc_NetGainLossOnSalesAndDispositionofBusinesses_d8a98527-605a-5143-d59d-880ed99b5390" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_NetGainLossOnSalesAndDispositionofBusinesses_d8a98527-605a-5143-d59d-880ed99b5390" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_d5dace7e-16a2-02a1-4993-85329c91fc1e" xlink:type="locator" />
    <link:calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_d5dace7e-16a2-02a1-4993-85329c91fc1e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_afdb9b59-99d3-b074-8511-2a9bd9079583" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_afdb9b59-99d3-b074-8511-2a9bd9079583" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_9b8323ad-1658-fe33-490d-bb35957a8b02" xlink:type="locator" />
    <link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_9b8323ad-1658-fe33-490d-bb35957a8b02" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DeferredIncomeTaxExpenseBenefitIncludingDiscontinuedOperations" xlink:label="loc_ghc_DeferredIncomeTaxExpenseBenefitIncludingDiscontinuedOperations_15b94563-7d95-5896-6350-880ed7fc5527" xlink:type="locator" />
    <link:calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_DeferredIncomeTaxExpenseBenefitIncludingDiscontinuedOperations_15b94563-7d95-5896-6350-880ed7fc5527" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_GainLossOnSaleOrWritedownOfPropertyPlantEquipment" xlink:label="loc_ghc_GainLossOnSaleOrWritedownOfPropertyPlantEquipment_7b898470-3df4-47e1-0ea2-880edb2980ef" xlink:type="locator" />
    <link:calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_GainLossOnSaleOrWritedownOfPropertyPlantEquipment_7b898470-3df4-47e1-0ea2-880edb2980ef" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_dd4bfa5e-1979-c817-e8a9-371104c0d4f7" xlink:type="locator" />
    <link:calculationArc order="13" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_dd4bfa5e-1979-c817-e8a9-371104c0d4f7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_bf3f9720-ba63-7ecd-52ae-e754a6f349db" xlink:type="locator" />
    <link:calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_bf3f9720-ba63-7ecd-52ae-e754a6f349db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_73e959a8-32b6-697e-66b5-86ef5a29476e" xlink:type="locator" />
    <link:calculationArc order="15" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_73e959a8-32b6-697e-66b5-86ef5a29476e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_91397648-589d-3b53-47c8-16b8909c78f4" xlink:type="locator" />
    <link:calculationArc order="16" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_91397648-589d-3b53-47c8-16b8909c78f4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_32a1f577-1984-0dba-8328-1c5c7b04d5c1" xlink:type="locator" />
    <link:calculationArc order="17" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_32a1f577-1984-0dba-8328-1c5c7b04d5c1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_962cfc51-230d-a221-126b-1d12af7a5921" xlink:type="locator" />
    <link:calculationArc order="18" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_962cfc51-230d-a221-126b-1d12af7a5921" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_e044e8e2-5c45-7b11-95e2-5c6b268cc854" xlink:type="locator" />
    <link:calculationArc order="19" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_e044e8e2-5c45-7b11-95e2-5c6b268cc854" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_MarketableSecuritiesAndCostMethodInvestmentsRealizedGainLoss" xlink:label="loc_ghc_MarketableSecuritiesAndCostMethodInvestmentsRealizedGainLoss_1980b8e9-eb79-2de8-c84b-880ed8a60401" xlink:type="locator" />
    <link:calculationArc order="20" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_MarketableSecuritiesAndCostMethodInvestmentsRealizedGainLoss_1980b8e9-eb79-2de8-c84b-880ed8a60401" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributionsIncludingImpairment" xlink:label="loc_ghc_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributionsIncludingImpairment_54708bc5-cf26-019a-8bf3-88249ea73c9b" xlink:type="locator" />
    <link:calculationArc order="21" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributionsIncludingImpairment_54708bc5-cf26-019a-8bf3-88249ea73c9b" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement" xlink:label="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:type="locator" />
    <link:calculationArc order="22" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_84cc24ed-d44c-2db0-9066-6b54091db5c7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_9d35c912-5b2d-89f7-eeb3-812a0511db5e" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_9d35c912-5b2d-89f7-eeb3-812a0511db5e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_NetProceedsFromSaleOfBusinessesPropertyPlantAndEquipmentAndOtherAssets" xlink:label="loc_ghc_NetProceedsFromSaleOfBusinessesPropertyPlantAndEquipmentAndOtherAssets_3c55412a-15f3-fce1-283f-880ed91a917c" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_ghc_NetProceedsFromSaleOfBusinessesPropertyPlantAndEquipmentAndOtherAssets_3c55412a-15f3-fce1-283f-880ed91a917c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_564f7da4-e984-e263-dfa0-23e15aee0aa1" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_564f7da4-e984-e263-dfa0-23e15aee0aa1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:label="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_1ae5d9ad-7c85-22bf-cb6d-785e5a91ede1" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_1ae5d9ad-7c85-22bf-cb6d-785e5a91ede1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToFundLongtermLoansToRelatedParties" xlink:label="loc_us-gaap_PaymentsToFundLongtermLoansToRelatedParties_3409677e-9baf-07e4-bffc-2adec217f214" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToFundLongtermLoansToRelatedParties_3409677e-9baf-07e4-bffc-2adec217f214" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_PaymentsToAcquireEquityMethodCostMethodInvestmentsAndOtherInvestments" xlink:label="loc_ghc_PaymentsToAcquireEquityMethodCostMethodInvestmentsAndOtherInvestments_CCD1CCBF0AB8398266617413BE678853" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_ghc_PaymentsToAcquireEquityMethodCostMethodInvestmentsAndOtherInvestments_CCD1CCBF0AB8398266617413BE678853" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_PaymentsToAcquireEquityMethodAndCostMethodInvestments" xlink:label="loc_ghc_PaymentsToAcquireEquityMethodAndCostMethodInvestments_9d8085b9-d59d-70dc-3ade-880ed98bdfc6" xlink:type="locator" />
    <link:calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_ghc_PaymentsToAcquireEquityMethodAndCostMethodInvestments_9d8085b9-d59d-70dc-3ade-880ed98bdfc6" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_InvestmentsInCommercialPaper" xlink:label="loc_ghc_InvestmentsInCommercialPaper_7dd0ecdc-0847-d5b9-e6a4-880ed8c73017" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_ghc_InvestmentsInCommercialPaper_7dd0ecdc-0847-d5b9-e6a4-880ed8c73017" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_ProceedsFromMaturitiesOfCommercialPaper" xlink:label="loc_ghc_ProceedsFromMaturitiesOfCommercialPaper_6c1b7ed5-e0a7-f666-cd9d-880eda96da7e" xlink:type="locator" />
    <link:calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_ghc_ProceedsFromMaturitiesOfCommercialPaper_6c1b7ed5-e0a7-f666-cd9d-880eda96da7e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5eaab9ea-3795-2871-0d80-72b9662e37e6" xlink:type="locator" />
    <link:calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5eaab9ea-3795-2871-0d80-72b9662e37e6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_84cc24ed-d44c-2db0-9066-6b54091db5c7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e5f1c7a4-b42a-8461-2001-b1f20e51b257" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e5f1c7a4-b42a-8461-2001-b1f20e51b257" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_PaymentOfDistributionToAffiliate" xlink:label="loc_ghc_PaymentOfDistributionToAffiliate_c60a329c-b63e-f05e-74ca-8824a1b25ac1" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_ghc_PaymentOfDistributionToAffiliate_c60a329c-b63e-f05e-74ca-8824a1b25ac1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8a1490c4-32d9-5132-1fe2-2675a45abdae" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8a1490c4-32d9-5132-1fe2-2675a45abdae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfOrdinaryDividends" xlink:label="loc_us-gaap_PaymentsOfOrdinaryDividends_fccb4e5f-f3d2-b2b9-c659-8971e47ca85a" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsOfOrdinaryDividends_fccb4e5f-f3d2-b2b9-c659-8971e47ca85a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfBankOverdrafts" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_19a49d25-5a3c-50f9-1359-5fe41186304a" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_19a49d25-5a3c-50f9-1359-5fe41186304a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest_cca4ddbf-7a4e-8025-fb71-5b72d004e254" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest_cca4ddbf-7a4e-8025-fb71-5b72d004e254" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_d04df344-47da-0222-79d0-99b7d739fd60" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_d04df344-47da-0222-79d0-99b7d739fd60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_cf22d061-7c46-e185-574b-89b7ef77509e" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_cf22d061-7c46-e185-574b-89b7ef77509e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_7b8a0794-7d87-21cc-a206-45c556522750" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_7b8a0794-7d87-21cc-a206-45c556522750" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfDebt_4a835f0d-f83e-e3a1-c436-34aa7468ed3b" xlink:type="locator" />
    <link:calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfDebt_4a835f0d-f83e-e3a1-c436-34aa7468ed3b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock_350362c4-732d-37ee-22b2-c66e857e5580" xlink:type="locator" />
    <link:calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock_350362c4-732d-37ee-22b2-c66e857e5580" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DeferredPaymentsOfAcquisitionAndNoncontrollingInterest" xlink:label="loc_ghc_DeferredPaymentsOfAcquisitionAndNoncontrollingInterest_2031166D1A630752D7DE7418BB201238" xlink:type="locator" />
    <link:calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_ghc_DeferredPaymentsOfAcquisitionAndNoncontrollingInterest_2031166D1A630752D7DE7418BB201238" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9c4e2a5c-e841-39a2-fcf8-f80cfa44af11" xlink:type="locator" />
    <link:calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9c4e2a5c-e841-39a2-fcf8-f80cfa44af11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_435f72c7-0f4e-47cb-a228-1fdf1a019a39" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_84cc24ed-d44c-2db0-9066-6b54091db5c7" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_435f72c7-0f4e-47cb-a228-1fdf1a019a39" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedStatementsOfChangesInCommonShareholdersEquity" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_27a35677-5e4b-23be-d135-9b2a303ead30" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_27a35677-5e4b-23be-d135-9b2a303ead30" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_9cffdcf3-2206-8087-bfa6-e205fe38a792" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_27a35677-5e4b-23be-d135-9b2a303ead30" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_9cffdcf3-2206-8087-bfa6-e205fe38a792" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_718d5fea-c5af-042f-efd5-5fcfba2b2f17" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_9cffdcf3-2206-8087-bfa6-e205fe38a792" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_718d5fea-c5af-042f-efd5-5fcfba2b2f17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_8228ad10-a8ae-c457-8c0a-d513efcfc5b0" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_9cffdcf3-2206-8087-bfa6-e205fe38a792" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_8228ad10-a8ae-c457-8c0a-d513efcfc5b0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_0634f537-fc07-8954-34de-cde2f21c405f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_27a35677-5e4b-23be-d135-9b2a303ead30" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_0634f537-fc07-8954-34de-cde2f21c405f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_d58ac57b-2e86-36b4-7645-929f4187851d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_0634f537-fc07-8954-34de-cde2f21c405f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_d58ac57b-2e86-36b4-7645-929f4187851d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_7fd05530-dcef-3f65-247b-6b26d31a1b75" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_0634f537-fc07-8954-34de-cde2f21c405f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_7fd05530-dcef-3f65-247b-6b26d31a1b75" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_b8ea9417-a946-591f-f885-7e7887367db9" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_27a35677-5e4b-23be-d135-9b2a303ead30" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_b8ea9417-a946-591f-f885-7e7887367db9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_27a35677-5e4b-23be-d135-9b2a303ead30" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_086c0c4e-b462-2c01-0468-31b739642a85" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_086c0c4e-b462-2c01-0468-31b739642a85" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_e487ccf0-91a2-e047-f02b-f411eb8e7710" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_e487ccf0-91a2-e047-f02b-f411eb8e7710" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_bb969882-fed8-578a-3817-8df19729cd79" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_bb969882-fed8-578a-3817-8df19729cd79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_703f5953-48e4-9c78-d820-a439b06ab316" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_703f5953-48e4-9c78-d820-a439b06ab316" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax_8ab02e9f-3318-f404-9296-b9418a41ab1c" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax_8ab02e9f-3318-f404-9296-b9418a41ab1c" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_OtherComprehensiveIncomeLossFinalizationofPensionandOtherPostretirementBenefitPlanValuationSpinoffBeforeTax" xlink:label="loc_ghc_OtherComprehensiveIncomeLossFinalizationofPensionandOtherPostretirementBenefitPlanValuationSpinoffBeforeTax_180e6d7a-e705-3965-d4a0-880ed964d6d5" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:to="loc_ghc_OtherComprehensiveIncomeLossFinalizationofPensionandOtherPostretirementBenefitPlanValuationSpinoffBeforeTax_180e6d7a-e705-3965-d4a0-880ed964d6d5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_fd5fd01d-ccd5-2fe2-e9ee-a9a84a842378" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_fd5fd01d-ccd5-2fe2-e9ee-a9a84a842378" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7908f590-67cb-1122-d422-880e24cad7ce" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7908f590-67cb-1122-d422-880e24cad7ce" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_3d9b4bd2-957e-ddb5-7841-6a572de70646" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_29cb4575-1df0-23a0-aea0-70de299da05c" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_3d9b4bd2-957e-ddb5-7841-6a572de70646" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_29cb4575-1df0-23a0-aea0-70de299da05c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_3d9b4bd2-957e-ddb5-7841-6a572de70646" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_220f7108-2ee6-8535-1bca-b062759c7beb" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_f309c50c-2dc0-f2fb-e4a2-9d61bc04812a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_220f7108-2ee6-8535-1bca-b062759c7beb" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_f309c50c-2dc0-f2fb-e4a2-9d61bc04812a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_35443bfe-146b-7ba7-b1f8-4daa6ea7427c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_220f7108-2ee6-8535-1bca-b062759c7beb" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_35443bfe-146b-7ba7-b1f8-4daa6ea7427c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_33076493-4882-6413-5de3-7bb85b9df3b7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_33076493-4882-6413-5de3-7bb85b9df3b7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_33076493-4882-6413-5de3-7bb85b9df3b7" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_EducationRevenue" xlink:label="loc_ghc_EducationRevenue_09e1df21-c1c8-0f99-9a84-880edb06966f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_ghc_EducationRevenue_09e1df21-c1c8-0f99-9a84-880edb06966f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdvertisingRevenue" xlink:label="loc_us-gaap_AdvertisingRevenue_12b038d5-230e-3f79-0d5e-81a5884ec43b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_AdvertisingRevenue_12b038d5-230e-3f79-0d5e-81a5884ec43b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherSalesRevenueNet" xlink:label="loc_us-gaap_OtherSalesRevenueNet_e7cc3a47-5261-0c18-da28-7de072dc978b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_OtherSalesRevenueNet_e7cc3a47-5261-0c18-da28-7de072dc978b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_OperatingExpense" xlink:label="loc_ghc_OperatingExpense_3138b08e-7a6c-3f4b-b62e-880ed7e7a391" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_ghc_OperatingExpense_3138b08e-7a6c-3f4b-b62e-880ed7e7a391" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_29ad42f4-24c5-90ea-4492-fdb757d66249" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_29ad42f4-24c5-90ea-4492-fdb757d66249" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_b4463f01-8926-c348-9c78-89e2ab0ed145" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_Depreciation_b4463f01-8926-c348-9c78-89e2ab0ed145" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_ae796c5c-1c01-d654-6a3c-3b5dd2c89517" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_ae796c5c-1c01-d654-6a3c-3b5dd2c89517" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_922befcd-b5b1-7112-2dca-80fbde69a2fe" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_AssetImpairmentCharges_922befcd-b5b1-7112-2dca-80fbde69a2fe" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_1c520208-bae2-1c51-b4b4-935e91f5fece" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_1c520208-bae2-1c51-b4b4-935e91f5fece" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_27459a92-428a-e415-bdb1-176ed2662e11" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_InvestmentIncomeInterest_27459a92-428a-e415-bdb1-176ed2662e11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_7c9599ab-2a77-022c-c720-63fecff6a62c" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_InterestExpense_7c9599ab-2a77-022c-c720-63fecff6a62c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_33076493-4882-6413-5de3-7bb85b9df3b7" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_IncomeLossAttributabletoRedeemableNoncontrollingInterestandNonredeemableNoncontrollingInterest" xlink:label="loc_ghc_IncomeLossAttributabletoRedeemableNoncontrollingInterestandNonredeemableNoncontrollingInterest_16baa1d3-b0b9-ce7d-5779-8824a5e97fc4" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_ghc_IncomeLossAttributabletoRedeemableNoncontrollingInterestandNonredeemableNoncontrollingInterest_16baa1d3-b0b9-ce7d-5779-8824a5e97fc4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_fe6ff5e7-33ad-d0eb-3545-2854577c8d1d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_e4763c0c-8fb9-af76-cf2b-4d5847742ea9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_fe6ff5e7-33ad-d0eb-3545-2854577c8d1d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_e4763c0c-8fb9-af76-cf2b-4d5847742ea9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_3fe2b3b7-b213-d182-04b7-224fb5b2cf36" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_fe6ff5e7-33ad-d0eb-3545-2854577c8d1d" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_3fe2b3b7-b213-d182-04b7-224fb5b2cf36" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/Contingencies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/ContingenciesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/Debt" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/DebtDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_0a5c2349-48dd-5a1c-4b3a-29366d68a766" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_0a5c2349-48dd-5a1c-4b3a-29366d68a766" xlink:to="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_0a5c2349-48dd-5a1c-4b3a-29366d68a766" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/DebtNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/DebtTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/DiscontinuedOperations" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/DiscontinuedOperationsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/DiscontinuedOperationsSummarizedIncomeLossFromDiscontinuedOperationsNetOfTaxDetails3" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_7756a183-8819-2804-53bb-41da4e9c6258" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_7756a183-8819-2804-53bb-41da4e9c6258" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_6f26a1f5-a97c-1fb5-0562-a523a7daa9d9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_7756a183-8819-2804-53bb-41da4e9c6258" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_6f26a1f5-a97c-1fb5-0562-a523a7daa9d9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_c095036e-19fc-eccd-4b1f-e7ecaae34dfa" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_6f26a1f5-a97c-1fb5-0562-a523a7daa9d9" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_c095036e-19fc-eccd-4b1f-e7ecaae34dfa" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationOtherNonOperatingIncomeExpense" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationOtherNonOperatingIncomeExpense_dcfce110-72de-dc3b-39c2-880edafabee2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_6f26a1f5-a97c-1fb5-0562-a523a7daa9d9" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationOtherNonOperatingIncomeExpense_dcfce110-72de-dc3b-39c2-880edafabee2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod_90d508d8-7921-7c8e-dc35-9a637900c159" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_7756a183-8819-2804-53bb-41da4e9c6258" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod_90d508d8-7921-7c8e-dc35-9a637900c159" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_75fb9940-bd63-976c-4153-3fd85df1949d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_75fb9940-bd63-976c-4153-3fd85df1949d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation_67ec52a4-236d-5086-033f-b8c8f74c41bd" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_3499d6fa-02b9-de09-04ba-5055e28f27a0" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation_67ec52a4-236d-5086-033f-b8c8f74c41bd" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/DiscontinuedOperationsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/DisontinuedOperationsCarryingAmountOfAssetsAndLiabilitiesIncludedInDiscontinuedOperationsDetails1" xlink:type="extended">
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_73348d58-9577-f5a3-76bf-880ed95a0596" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_73348d58-9577-f5a3-76bf-880ed95a0596" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationCurrentAssetsCurrent" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationCurrentAssetsCurrent_0ba39c65-9d1a-cb82-471f-880ed88cc228" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationCurrentAssetsCurrent_0ba39c65-9d1a-cb82-471f-880ed88cc228" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_9bcdf8dc-3eb6-6857-fae3-5d42b4790626" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationCurrentAssetsCurrent_0ba39c65-9d1a-cb82-471f-880ed88cc228" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_9bcdf8dc-3eb6-6857-fae3-5d42b4790626" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_22656c09-db6c-51af-4b70-bd9e07ec501f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationCurrentAssetsCurrent_0ba39c65-9d1a-cb82-471f-880ed88cc228" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_22656c09-db6c-51af-4b70-bd9e07ec501f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_72c0e7b5-cc03-5dcf-c4a5-35423fae9f71" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationCurrentAssetsCurrent_0ba39c65-9d1a-cb82-471f-880ed88cc228" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_72c0e7b5-cc03-5dcf-c4a5-35423fae9f71" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_0fd3838f-027a-7f18-90fa-b28131424036" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_0fd3838f-027a-7f18-90fa-b28131424036" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent_dda6b534-043f-51a3-cf5b-de5a5e306cd4" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent_dda6b534-043f-51a3-cf5b-de5a5e306cd4" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationIndefinitelivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationIndefinitelivedIntangibleAssetsExcludingGoodwill_9c47493f-f10d-85ac-159a-880ed682bcf1" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationIndefinitelivedIntangibleAssetsExcludingGoodwill_9c47493f-f10d-85ac-159a-880ed682bcf1" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationAmortizableIntangiblesCurrent" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationAmortizableIntangiblesCurrent_75e88866-5ea9-b26a-9b91-880edacf5559" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationAmortizableIntangiblesCurrent_75e88866-5ea9-b26a-9b91-880edacf5559" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_f47c0079-0d2e-4976-9fc3-b4aea1e37feb" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_f47c0079-0d2e-4976-9fc3-b4aea1e37feb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationAssetsLiabilitiesNet_73348d58-9577-f5a3-76bf-880ed95a0596" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent_f6fbc67e-b34b-6f63-2a44-880ed8404055" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent_f6fbc67e-b34b-6f63-2a44-880ed8404055" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_af36ad0a-927b-42a9-2143-a5e96c62199c" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent_f6fbc67e-b34b-6f63-2a44-880ed8404055" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_af36ad0a-927b-42a9-2143-a5e96c62199c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxesPayable_ba639297-6673-2aa1-3f21-7ed97d52a1aa" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent_f6fbc67e-b34b-6f63-2a44-880ed8404055" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxesPayable_ba639297-6673-2aa1-3f21-7ed97d52a1aa" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_e42fa311-e02b-07cc-63f3-c0e51dac614e" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent_f6fbc67e-b34b-6f63-2a44-880ed8404055" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_e42fa311-e02b-07cc-63f3-c0e51dac614e" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentMaturitiesofLongTermDebt" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentMaturitiesofLongTermDebt_781efb35-1a71-6fe5-6b3c-880eda1d51aa" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentLiabilitiesCurrent_f6fbc67e-b34b-6f63-2a44-880ed8404055" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsCurrentMaturitiesofLongTermDebt_781efb35-1a71-6fe5-6b3c-880eda1d51aa" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationsAccruedCompensationandRelatedBenefits" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsAccruedCompensationandRelatedBenefits_21ff55cd-ce03-2656-2e9d-880ed6bc5169" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsAccruedCompensationandRelatedBenefits_21ff55cd-ce03-2656-2e9d-880ed6bc5169" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_93109c17-bce3-138c-6f89-1d905e6e4eed" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_93109c17-bce3-138c-6f89-1d905e6e4eed" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesCurrent_0d88be91-7329-5259-b954-328ed6eef15a" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesCurrent_0d88be91-7329-5259-b954-328ed6eef15a" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DisposalGroupIncludingDiscontinuedOperationsLongtermDebt" xlink:label="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsLongtermDebt_275851bf-8710-a60e-92d3-880ed8d3e768" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_05b9c2a4-6f85-5413-8af9-df620dfd1b1e" xlink:to="loc_ghc_DisposalGroupIncludingDiscontinuedOperationsLongtermDebt_275851bf-8710-a60e-92d3-880ed8d3e768" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/FairValueMeasurements" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/FairValueMeasurementsDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_1e5a0fee-1931-042a-f71d-6e84918672ec" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_f851478e-1c36-7401-4085-25f84335d8aa" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_1e5a0fee-1931-042a-f71d-6e84918672ec" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_f851478e-1c36-7401-4085-25f84335d8aa" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue_1ccffd9f-a17a-94cf-dff8-2fe32faf2e10" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_1e5a0fee-1931-042a-f71d-6e84918672ec" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue_1ccffd9f-a17a-94cf-dff8-2fe32faf2e10" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_MandatorilyRedeemableNoncontrollingInterestFairValueDisclosure" xlink:label="loc_ghc_MandatorilyRedeemableNoncontrollingInterestFairValueDisclosure_e8f13784-a04d-eaa4-e5d5-880edad13d27" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_1e5a0fee-1931-042a-f71d-6e84918672ec" xlink:to="loc_ghc_MandatorilyRedeemableNoncontrollingInterestFairValueDisclosure_e8f13784-a04d-eaa4-e5d5-880edad13d27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_b851ddfc-ce9b-3407-931e-669b0dd9719b" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_3aae306e-5a24-8a9a-c9e0-b6adf2c9a083" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_b851ddfc-ce9b-3407-931e-669b0dd9719b" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_3aae306e-5a24-8a9a-c9e0-b6adf2c9a083" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_CommercialPaperTotal" xlink:label="loc_ghc_CommercialPaperTotal_20ccbdd2-2df8-3984-d7d2-880edac395f3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_b851ddfc-ce9b-3407-931e-669b0dd9719b" xlink:to="loc_ghc_CommercialPaperTotal_20ccbdd2-2df8-3984-d7d2-880edac395f3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesEquitySecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_ebbe04c5-6b0f-d508-a12a-6227d70adfce" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_b851ddfc-ce9b-3407-931e-669b0dd9719b" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_ebbe04c5-6b0f-d508-a12a-6227d70adfce" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherShortTermInvestments" xlink:label="loc_us-gaap_OtherShortTermInvestments_01c8b577-4d97-1d6e-2cf9-fbbdd3c82777" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_b851ddfc-ce9b-3407-931e-669b0dd9719b" xlink:to="loc_us-gaap_OtherShortTermInvestments_01c8b577-4d97-1d6e-2cf9-fbbdd3c82777" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssets" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsChangesInCarryingAmountOfGoodwillDetails1" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsFiniteLivedIntangibleAssetsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsGoodwillAndOtherIntangibleAssetsGoodwillNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsGoodwillAndOtherIntangibleAssetsIndefiniteLivedIntangibleAssetsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5d62e128-f1a1-954f-82e2-1936cb67d793" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5d62e128-f1a1-954f-82e2-1936cb67d793" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_c3ed8a56-abe0-6418-c541-e6b647d6318a" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_c3ed8a56-abe0-6418-c541-e6b647d6318a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/GoodwillAndOtherIntangibleAssetsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxes" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesDeferredIncomeTaxesComponentsDetails4" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9a73c768-7e07-f56f-7aba-2b93110d3715" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9a73c768-7e07-f56f-7aba-2b93110d3715" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_c1ab7dd9-2f1e-9ca4-0c67-23d8cf29dd32" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_c1ab7dd9-2f1e-9ca4-0c67-23d8cf29dd32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther_6034dce5-9f6d-c8bf-ff5b-3dca5114cded" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther_6034dce5-9f6d-c8bf-ff5b-3dca5114cded" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_c4877654-c7dc-bad7-b5da-7d794edd1d08" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_c4877654-c7dc-bad7-b5da-7d794edd1d08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_a9e69e90-362c-096d-424d-dfd51b492a2e" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_a9e69e90-362c-096d-424d-dfd51b492a2e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_95b2e317-3338-2d68-dd44-b4b78f4246b8" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_95b2e317-3338-2d68-dd44-b4b78f4246b8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_48b72f02-1eed-1aa7-2094-cedc154da1ea" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_48b72f02-1eed-1aa7-2094-cedc154da1ea" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_00816e0d-dcd2-e355-24c7-843ca2ebb1d6" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_00816e0d-dcd2-e355-24c7-843ca2ebb1d6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_cd14f92f-9362-1bc8-2c3f-35bdedfa2fc0" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_cd14f92f-9362-1bc8-2c3f-35bdedfa2fc0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther_5fb8f790-e7af-376b-240e-0fd4bba0c990" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_40f9cbe3-f1cd-d4d3-e7be-f62e64714b00" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther_5fb8f790-e7af-376b-240e-0fd4bba0c990" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_46929883-d93f-69b0-5ded-4c800feeb57f" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_46929883-d93f-69b0-5ded-4c800feeb57f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9a73c768-7e07-f56f-7aba-2b93110d3715" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_dde5eeca-2b71-60e2-a05c-fb2f2f5703af" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_dde5eeca-2b71-60e2-a05c-fb2f2f5703af" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DeferredTaxLiabilitiesUnrealizedGainsonAvailableforsaleSecurities" xlink:label="loc_ghc_DeferredTaxLiabilitiesUnrealizedGainsonAvailableforsaleSecurities_6ebc715c-84e0-e641-c96d-8824a452a444" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_ghc_DeferredTaxLiabilitiesUnrealizedGainsonAvailableforsaleSecurities_6ebc715c-84e0-e641-c96d-8824a452a444" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_030085fb-acb6-10de-6242-21385094a659" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_030085fb-acb6-10de-6242-21385094a659" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_d70f42f6-dff1-c651-93a7-3335cea9f242" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_d70f42f6-dff1-c651-93a7-3335cea9f242" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_9fb66626-9640-44ad-4417-4000d4376288" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_9fb66626-9640-44ad-4417-4000d4376288" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesDeferredTaxValluationAllowancesDetails6" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesIncomeFromOperationsDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_684e73bc-c774-15b7-cfc4-307e06892c2e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_684e73bc-c774-15b7-cfc4-307e06892c2e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_77aad584-eda7-6ab9-9bf4-262b9a6dd394" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_77aad584-eda7-6ab9-9bf4-262b9a6dd394" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesIncomeTaxReconciliationDetails3" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_16f0a3f7-750c-3f06-7b05-d8ae2aae120b" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_16f0a3f7-750c-3f06-7b05-d8ae2aae120b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_bdbdc685-443d-bab4-6ccc-ce6a14aaa242" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_bdbdc685-443d-bab4-6ccc-ce6a14aaa242" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_6f58335b-7001-079c-017e-8c9f80193d1b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_6f58335b-7001-079c-017e-8c9f80193d1b" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_EffectiveIncomeTaxRateReconciliationImpairmentLossesandDispositionofBusiness" xlink:label="loc_ghc_EffectiveIncomeTaxRateReconciliationImpairmentLossesandDispositionofBusiness_46d7774e-a972-43d5-5b53-8824a2a94684" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_ghc_EffectiveIncomeTaxRateReconciliationImpairmentLossesandDispositionofBusiness_46d7774e-a972-43d5-5b53-8824a2a94684" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities" xlink:label="loc_us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities_6ba9ad8f-60ae-54cf-e8ff-d75f3ffb5388" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities_6ba9ad8f-60ae-54cf-e8ff-d75f3ffb5388" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_IncomeTaxReconciliationDeferredTaxAssetsWriteoff" xlink:label="loc_ghc_IncomeTaxReconciliationDeferredTaxAssetsWriteoff_03959469-a768-2980-b88a-88249fad8987" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_ghc_IncomeTaxReconciliationDeferredTaxAssetsWriteoff_03959469-a768-2980-b88a-88249fad8987" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_0b1d9c48-50e9-fd05-543d-8637e0170a2a" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_0b1d9c48-50e9-fd05-543d-8637e0170a2a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_0241d40c-718a-28d6-e497-9e09edfdc0b5" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_0241d40c-718a-28d6-e497-9e09edfdc0b5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings" xlink:label="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_6adaed32-e25f-6f1e-c195-125b9a965baa" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_6adaed32-e25f-6f1e-c195-125b9a965baa" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount" xlink:label="loc_ghc_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount_3d3fd570-13b5-5028-1517-880edab05552" xlink:type="locator" />
    <link:calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_ghc_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount_3d3fd570-13b5-5028-1517-880edab05552" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_5a4be234-601b-ead6-df60-5106285cb5b9" xlink:type="locator" />
    <link:calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_5a4be234-601b-ead6-df60-5106285cb5b9" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesIncomeTaxesUnrecognizedTaxBenefitsRollforwardDetails7" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesOperatingLossCarryforwardsDetails5" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesProvisionForIncomeTaxesComponentsDetails2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_15bb8413-7c16-05ff-0f24-330007bd87a4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_15bb8413-7c16-05ff-0f24-330007bd87a4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_40691c72-4a6d-af64-c37e-f5abe38c6165" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_40691c72-4a6d-af64-c37e-f5abe38c6165" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_67cd26b3-6ceb-499c-0dd8-da28cd1ddfc3" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_67cd26b3-6ceb-499c-0dd8-da28cd1ddfc3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations" xlink:label="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_d74997c2-1af7-742c-6d5e-279e1bc3f1e5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_d74997c2-1af7-742c-6d5e-279e1bc3f1e5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_36ba223a-0466-98b6-2d31-f243492419f9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_d74997c2-1af7-742c-6d5e-279e1bc3f1e5" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_36ba223a-0466-98b6-2d31-f243492419f9" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_d74997c2-1af7-742c-6d5e-279e1bc3f1e5" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_15bb8413-7c16-05ff-0f24-330007bd87a4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:label="loc_us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_c5565268-7a5a-4d29-e4be-3d901cd1cbab" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_c5565268-7a5a-4d29-e4be-3d901cd1cbab" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_10028fc1-eee3-03f5-6f20-ff5d85e3c0b2" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_c5565268-7a5a-4d29-e4be-3d901cd1cbab" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_10028fc1-eee3-03f5-6f20-ff5d85e3c0b2" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_c5565268-7a5a-4d29-e4be-3d901cd1cbab" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_40691c72-4a6d-af64-c37e-f5abe38c6165" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:label="loc_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_c2d895ca-b7a4-818f-05e4-c5a9ee436247" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_c2d895ca-b7a4-818f-05e4-c5a9ee436247" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_7d48046d-7441-0899-53b0-aaa1e573540a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_c2d895ca-b7a4-818f-05e4-c5a9ee436247" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_7d48046d-7441-0899-53b0-aaa1e573540a" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_c2d895ca-b7a4-818f-05e4-c5a9ee436247" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_67cd26b3-6ceb-499c-0dd8-da28cd1ddfc3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d2250640-c0ab-3b70-41b7-136d9a4aad78" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d2250640-c0ab-3b70-41b7-136d9a4aad78" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_36ba223a-0466-98b6-2d31-f243492419f9" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d2250640-c0ab-3b70-41b7-136d9a4aad78" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_10028fc1-eee3-03f5-6f20-ff5d85e3c0b2" xlink:type="arc" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d2250640-c0ab-3b70-41b7-136d9a4aad78" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_7d48046d-7441-0899-53b0-aaa1e573540a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/IncomeTaxesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/InventoriesAndContractsInProgress" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/InventoriesAndContractsInProgressDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings" xlink:label="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_d8866e11-7330-6a9a-9ba0-56d88707d8ec" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_d8866e11-7330-6a9a-9ba0-56d88707d8ec" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_a3451b87-a72a-9fff-128b-969b95aecb3a" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_a3451b87-a72a-9fff-128b-969b95aecb3a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_b077ba6e-d590-fd28-6cc4-ab52e924ed70" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_b077ba6e-d590-fd28-6cc4-ab52e924ed70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryForLongTermContractsOrPrograms" xlink:label="loc_us-gaap_InventoryForLongTermContractsOrPrograms_3d0c70c8-f13e-d9be-62b2-a22bd60d2f2c" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings_397fbfe3-76ce-18b9-9983-b955e3246d6d" xlink:to="loc_us-gaap_InventoryForLongTermContractsOrPrograms_3d0c70c8-f13e-d9be-62b2-a22bd60d2f2c" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/InventoriesAndContractsInProgressTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/Investments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/InvestmentsInvestmentsInMarketableEquitySecuritiesDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_316574c4-b982-725f-6fa7-d7a29d080d9f" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_5be0fdd5-71d2-0985-0762-b60a22a4671e" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_316574c4-b982-725f-6fa7-d7a29d080d9f" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_5be0fdd5-71d2-0985-0762-b60a22a4671e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_12b86b74-1a48-7dcd-7f57-54527e915b2b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_316574c4-b982-725f-6fa7-d7a29d080d9f" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_12b86b74-1a48-7dcd-7f57-54527e915b2b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesEquitySecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_ebbe04c5-6b0f-d508-a12a-6227d70adfce" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_316574c4-b982-725f-6fa7-d7a29d080d9f" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesEquitySecurities_ebbe04c5-6b0f-d508-a12a-6227d70adfce" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/InvestmentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/InvestmentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/LeasesAndOtherCommitments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/LeasesAndOtherCommitmentsDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_5046b63b-148e-eb12-dd52-2a1e8f1e69c0" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_5046b63b-148e-eb12-dd52-2a1e8f1e69c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_483c5d20-89a2-da39-b56f-2ea722d97042" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_483c5d20-89a2-da39-b56f-2ea722d97042" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_b5a3356e-f555-ddd5-297a-b04afe0bfd5c" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_b5a3356e-f555-ddd5-297a-b04afe0bfd5c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6818de09-a032-5221-5ee6-896e1c2d0634" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6818de09-a032-5221-5ee6-896e1c2d0634" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_56f89e4f-d247-3cf0-a749-00554ab475a6" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_56f89e4f-d247-3cf0-a749-00554ab475a6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_fb0efb32-4bb1-57d0-236e-d8af81dc125f" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_fb0efb32-4bb1-57d0-236e-d8af81dc125f" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/LeasesAndOtherCommitmentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/LeasesAndOtherCommitmentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/OrganizationAndNatureOfOperations" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/OrganizationAndNatureOfOperationsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/OtherNonOperatingExpenseIncome" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/OtherNonOperatingExpenseIncomeNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/OtherNonOperatingExpenseIncomeTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/OtherNonOperatingIncomeExpenseDetails1" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlans" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansAccumulatedOtherComprehensiveIncomeDetails7" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_ac65944e-d0a3-7081-a0ad-366dc25783e8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_8a5435ed-071a-f096-6184-a37a79abfb9f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_ac65944e-d0a3-7081-a0ad-366dc25783e8" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_8a5435ed-071a-f096-6184-a37a79abfb9f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_6d1344ee-d174-0072-f9ea-7a14f4f5b932" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_8a5435ed-071a-f096-6184-a37a79abfb9f" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_6d1344ee-d174-0072-f9ea-7a14f4f5b932" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_2e77fa8e-3ac2-f18e-9dcb-27eac8c2d53d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_8a5435ed-071a-f096-6184-a37a79abfb9f" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_2e77fa8e-3ac2-f18e-9dcb-27eac8c2d53d" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax" xlink:label="loc_ghc_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax_8a54dd47-0e8e-a91c-6bff-8824a0aa1d19" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_ac65944e-d0a3-7081-a0ad-366dc25783e8" xlink:to="loc_ghc_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax_8a54dd47-0e8e-a91c-6bff-8824a0aa1d19" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansAssetAllocationDetails9" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansAssumedHealthCareCostTrendRatesDetails12" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansConsolidatedBalanceSheetDetails2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_2ac997ec-1500-de75-18d5-2d7e282edf5a" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_6856ee03-da61-f933-c0ca-753825e64ebf" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_2ac997ec-1500-de75-18d5-2d7e282edf5a" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_6856ee03-da61-f933-c0ca-753825e64ebf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_d976d099-c821-e214-329b-89c6249f4dee" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_2ac997ec-1500-de75-18d5-2d7e282edf5a" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_d976d099-c821-e214-329b-89c6249f4dee" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_9a02138f-e52f-25fa-014e-0405ac9ddb27" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_2ac997ec-1500-de75-18d5-2d7e282edf5a" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_9a02138f-e52f-25fa-014e-0405ac9ddb27" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansFairValueOfPensionPlanAssetsDetails10" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansFutureAmortizationOfNetPeriodicCostDetails8" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansFutureEstimatedBenefitPaymentsDetails4" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansKeyAssumptionsCostDetails6" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansKeyAssumptionsObligationDetails3" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansObligationAssetAndFundingInformationDetails1" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansReconciliationOfChangeInPensionPlanAssetsFairValueUsingLevel3InputsDetails11" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PensionAndPostretirementPlansTotalBenefitCostDetails5" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax" xlink:label="loc_us-gaap_AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax_2a17632d-42c8-b50f-6293-0279e8dbd806" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_bae25320-9d69-b27b-4684-0b60368d617f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax_2a17632d-42c8-b50f-6293-0279e8dbd806" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_bae25320-9d69-b27b-4684-0b60368d617f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_747869e7-4e1c-6de6-fa9c-d8cc9c90ed9d" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_bae25320-9d69-b27b-4684-0b60368d617f" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_747869e7-4e1c-6de6-fa9c-d8cc9c90ed9d" xlink:type="arc" />
    <link:loc xlink:href="ghc-20171231.xsd#ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement" xlink:label="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_bae25320-9d69-b27b-4684-0b60368d617f" xlink:to="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_89ad3af5-a7a9-a0b6-3ed0-1824210c7a90" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_89ad3af5-a7a9-a0b6-3ed0-1824210c7a90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_50406d00-3746-2e05-3a50-4b2bf529ff14" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_50406d00-3746-2e05-3a50-4b2bf529ff14" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_b2e93b1c-a313-bd95-39dd-1f9d9938b2e9" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_b2e93b1c-a313-bd95-39dd-1f9d9938b2e9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_ab621a8a-0d01-618c-dbe1-c25fa3bace61" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_ab621a8a-0d01-618c-dbe1-c25fa3bace61" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_053c4475-6836-cf00-1abe-b15f58110eab" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ghc_NetPeriodicBenefitForDefinedBenefitPensionPlansExcludingEarlyRetirementProgramSpecialSeparationBenefitExpenseCurtailmentAndSettlement_1ff275a8-2856-7d7a-ce1c-880ed8519054" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_053c4475-6836-cf00-1abe-b15f58110eab" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_a2b01ebf-3bb0-69b6-bb1a-f9cc09a597fb" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_bae25320-9d69-b27b-4684-0b60368d617f" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_a2b01ebf-3bb0-69b6-bb1a-f9cc09a597fb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod" xlink:label="loc_us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod_e1179d90-f948-e301-62e2-08c5475dcf40" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_bae25320-9d69-b27b-4684-0b60368d617f" xlink:to="loc_us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod_e1179d90-f948-e301-62e2-08c5475dcf40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax_2a17632d-42c8-b50f-6293-0279e8dbd806" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_96bbbb0b-0629-623e-a770-76026cde8c6f" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/PropertyPlantAndEquipment" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PropertyPlantAndEquipmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_a51e8738-e58c-e4f4-3ef7-22747a152cee" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_us-gaap_Land_a51e8738-e58c-e4f4-3ef7-22747a152cee" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_bfe00325-30ef-aa76-d96c-ca247f562c4f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_bfe00325-30ef-aa76-d96c-ca247f562c4f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_6b39d457-fc60-0fcb-fae5-ecc070d021fb" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_6b39d457-fc60-0fcb-fae5-ecc070d021fb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_f0ea2165-5b3b-6de9-7b02-17c18660730c" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_us-gaap_LeaseholdImprovementsGross_f0ea2165-5b3b-6de9-7b02-17c18660730c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_594f8c62-c8c5-bd85-818c-71da6f0408d7" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_us-gaap_ConstructionInProgressGross_594f8c62-c8c5-bd85-818c-71da6f0408d7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5551841b-83e0-4644-fca8-d4027d932c0a" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5551841b-83e0-4644-fca8-d4027d932c0a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.ghco.com/role/PropertyPlantAndEquipmentNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/PropertyPlantAndEquipmentTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/RedeemablePreferredStock" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/RedeemablePreferredStockDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnaudited" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedQuarterlyImpactOfCertainItemsDetails2" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedQuarterlyResultsDetails1" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfQuarterlyOperatingResultsAndComprehensiveIncomeUnauditedTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesPolicy" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesRecentlyAdoptedAndIssuedAccountingPronoucementsDetails1" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesRecentlyAdoptedAndIssuedAccountingPronouncementsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.ghco.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
</link:linkbase>
