<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFS ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfsco.com/financial-services/ -->
<!-- Creation Date      : 2019-03-26T01:07:19.8337620+00:00 -->
<!-- Version            : 3.3.6989.14284 -->
<!-- Package ID         : f440a09ffb7f4ef0bee2c67b389f81fd -->
<!-- Copyright (c) 2019 Donnelley Financial, LLC. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="cron-20181231.xsd#TemplateLink" roleURI="http://thecronosgroup.com/20181231/role/TemplateLink" />
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfFinancialPosition" xlink:href="cron-20181231.xsd#Role_StatementConsolidatedStatementsOfFinancialPosition" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfFinancialPosition">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentLoansAndReceivables" xlink:type="locator" xlink:label="ifrs-full_CurrentLoansAndReceivables" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Inventories" xlink:type="locator" xlink:label="ifrs-full_Inventories" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_CurrentBiologicalAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:type="locator" xlink:label="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:type="locator" xlink:label="ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentTradeReceivables" xlink:type="locator" xlink:label="ifrs-full_CurrentTradeReceivables" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CashAndCashEquivalents" xlink:type="locator" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Goodwill" xlink:type="locator" xlink:label="ifrs-full_Goodwill" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod" />
    <loc xlink:href="cron-20181231.xsd#cron_AdvancesToJointVentures" xlink:type="locator" xlink:label="cron_AdvancesToJointVentures" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentAssets" xlink:type="locator" xlink:label="ifrs-full_CurrentAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Assets" xlink:type="locator" xlink:label="ifrs-full_Assets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived" xlink:type="locator" xlink:label="ifrs-full_CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:type="locator" xlink:label="ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" />
    <loc xlink:href="cron-20181231.xsd#cron_HoldbacksPayableCurrent" xlink:type="locator" xlink:label="cron_HoldbacksPayableCurrent" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayables" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_DeferredTaxLiabilities" xlink:type="locator" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <loc xlink:href="cron-20181231.xsd#cron_DueToNonControllingInterests" xlink:type="locator" xlink:label="cron_DueToNonControllingInterests" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived" xlink:type="locator" xlink:label="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentLiabilities" xlink:type="locator" xlink:label="ifrs-full_CurrentLiabilities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:type="locator" xlink:label="ifrs-full_AccumulatedOtherComprehensiveIncome" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_RetainedEarnings" xlink:type="locator" xlink:label="ifrs-full_RetainedEarnings" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ReserveOfSharebasedPayments" xlink:type="locator" xlink:label="ifrs-full_ReserveOfSharebasedPayments" />
    <loc xlink:href="cron-20181231.xsd#cron_Warrants" xlink:type="locator" xlink:label="cron_Warrants" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IssuedCapital" xlink:type="locator" xlink:label="ifrs-full_IssuedCapital" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_NoncontrollingInterests" xlink:type="locator" xlink:label="ifrs-full_NoncontrollingInterests" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="locator" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Equity" xlink:type="locator" xlink:label="ifrs-full_Equity" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Liabilities" xlink:type="locator" xlink:label="ifrs-full_Liabilities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_EquityAndLiabilities" xlink:type="locator" xlink:label="ifrs-full_EquityAndLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Liabilities" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Equity" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_NoncontrollingInterests" order="10040.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_IssuedCapital" order="10050.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="cron_Warrants" order="10060.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_ReserveOfSharebasedPayments" order="10070.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_RetainedEarnings" order="10080.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_AccumulatedOtherComprehensiveIncome" order="10090.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_CurrentLiabilities" order="10100.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived" order="10110.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Liabilities" xlink:to="cron_DueToNonControllingInterests" order="10120.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_DeferredTaxLiabilities" order="10130.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_TradeAndOtherCurrentPayables" order="10140.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="cron_HoldbacksPayableCurrent" order="10150.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" order="10160.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived" order="10170.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CurrentAssets" order="10180.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="cron_AdvancesToJointVentures" order="10190.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_InvestmentAccountedForUsingEquityMethod" order="10200.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="10210.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="10220.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill" order="10230.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Goodwill" order="10240.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CashAndCashEquivalents" order="10250.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentTradeReceivables" order="10260.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" order="10270.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" order="10280.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentBiologicalAssets" order="10290.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_Inventories" order="10300.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentLoansAndReceivables" order="10310.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss" xlink:href="cron-20181231.xsd#Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:type="locator" xlink:label="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" />
    <loc xlink:href="cron-20181231.xsd#cron_RevenueGross" xlink:type="locator" xlink:label="cron_RevenueGross" />
    <loc xlink:href="cron-20181231.xsd#cron_CostOfSalesBeforeFairValueAdjustments" xlink:type="locator" xlink:label="cron_CostOfSalesBeforeFairValueAdjustments" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Revenue" xlink:type="locator" xlink:label="ifrs-full_Revenue" />
    <loc xlink:href="cron-20181231.xsd#cron_RealizedFairValueAdjustmentsOnInventorySold" xlink:type="locator" xlink:label="cron_RealizedFairValueAdjustmentsOnInventorySold" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" />
    <loc xlink:href="cron-20181231.xsd#cron_GainsLossesOnFairValueAdjustments" xlink:type="locator" xlink:label="cron_GainsLossesOnFairValueAdjustments" />
    <loc xlink:href="cron-20181231.xsd#cron_GrossProfitLossBeforeFairValueAdjustments" xlink:type="locator" xlink:label="cron_GrossProfitLossBeforeFairValueAdjustments" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:type="locator" xlink:label="ifrs-full_DepreciationAndAmortisationExpense" />
    <loc xlink:href="cron-20181231.xsd#cron_ExpenseFromShareBasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:type="locator" xlink:label="cron_ExpenseFromShareBasedPaymentTransactionsWithEmployeesAndNonemployees" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GeneralAndAdministrativeExpense" xlink:type="locator" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ResearchAndDevelopmentExpense" xlink:type="locator" xlink:label="ifrs-full_ResearchAndDevelopmentExpense" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_SalesAndMarketingExpense" xlink:type="locator" xlink:label="ifrs-full_SalesAndMarketingExpense" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_OperatingExpenseExcludingCostOfSales" xlink:type="locator" xlink:label="ifrs-full_OperatingExpenseExcludingCostOfSales" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GrossProfit" xlink:type="locator" xlink:label="ifrs-full_GrossProfit" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnDisposalsOfInvestments" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_InterestRevenueExpense" xlink:type="locator" xlink:label="ifrs-full_InterestRevenueExpense" />
    <loc xlink:href="cron-20181231.xsd#cron_OtherIncomeExpense" xlink:type="locator" xlink:label="cron_OtherIncomeExpense" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:type="locator" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="locator" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLossBeforeTax" xlink:type="locator" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation" xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_OtherComprehensiveIncome" xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLoss" xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ComprehensiveIncome" xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ProfitLoss" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" order="10040.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" order="10050.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossBeforeTax" order="10060.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="10070.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossFromOperatingActivities" order="10080.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="cron_OtherIncomeExpense" order="10090.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_OtherIncomeExpense" xlink:to="ifrs-full_InterestRevenueExpense" order="10100.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_OtherIncomeExpense" xlink:to="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" order="10110.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_OtherIncomeExpense" xlink:to="ifrs-full_GainsLossesOnDisposalsOfInvestments" order="10120.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_GrossProfit" order="10130.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_OperatingExpenseExcludingCostOfSales" order="10140.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpenseExcludingCostOfSales" xlink:to="ifrs-full_SalesAndMarketingExpense" order="10150.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpenseExcludingCostOfSales" xlink:to="ifrs-full_ResearchAndDevelopmentExpense" order="10160.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpenseExcludingCostOfSales" xlink:to="ifrs-full_GeneralAndAdministrativeExpense" order="10170.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpenseExcludingCostOfSales" xlink:to="cron_ExpenseFromShareBasedPaymentTransactionsWithEmployeesAndNonemployees" order="10180.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_OperatingExpenseExcludingCostOfSales" xlink:to="ifrs-full_DepreciationAndAmortisationExpense" order="10190.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_GrossProfit" xlink:to="cron_GrossProfitLossBeforeFairValueAdjustments" order="10200.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_GrossProfit" xlink:to="cron_GainsLossesOnFairValueAdjustments" order="10210.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_GainsLossesOnFairValueAdjustments" xlink:to="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" order="10220.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_GainsLossesOnFairValueAdjustments" xlink:to="cron_RealizedFairValueAdjustmentsOnInventorySold" order="10230.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_GrossProfitLossBeforeFairValueAdjustments" xlink:to="ifrs-full_Revenue" order="10240.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_GrossProfitLossBeforeFairValueAdjustments" xlink:to="cron_CostOfSalesBeforeFairValueAdjustments" order="10250.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Revenue" xlink:to="cron_RevenueGross" order="10260.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" order="10270.00" priority="2" use="optional" weight="-1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss2" xlink:href="cron-20181231.xsd#Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss2" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss2">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:type="locator" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="locator" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLoss" xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ComprehensiveIncome" xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" order="10040.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows" xlink:href="cron-20181231.xsd#Role_StatementConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows">
    <loc xlink:href="cron-20181231.xsd#cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:type="locator" xlink:label="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_NetForeignExchangeGain" xlink:type="locator" xlink:label="ifrs-full_NetForeignExchangeGain" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDeferredTaxExpense" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" />
    <loc xlink:href="cron-20181231.xsd#cron_RealizedFairValueAdjustmentsOnInventorySold" xlink:type="locator" xlink:label="cron_RealizedFairValueAdjustmentsOnInventorySold" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLoss" xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:type="locator" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="locator" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" xlink:type="locator" xlink:label="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" />
    <loc xlink:href="cron-20181231.xsd#cron_CashOutflowFromTheExerciseOfWarrants" xlink:type="locator" xlink:label="cron_CashOutflowFromTheExerciseOfWarrants" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xlink:type="locator" xlink:label="ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:href="cron-20181231.xsd#cron_PaymentOfContingentConsiderationLiabilities" xlink:type="locator" xlink:label="cron_PaymentOfContingentConsiderationLiabilities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PaymentsForDebtIssueCosts" xlink:type="locator" xlink:label="ifrs-full_PaymentsForDebtIssueCosts" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_RepaymentsOfCurrentBorrowings" xlink:type="locator" xlink:label="ifrs-full_RepaymentsOfCurrentBorrowings" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="locator" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:type="locator" xlink:label="ifrs-full_ProceedsFromNoncurrentBorrowings" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PaymentsForShareIssueCosts" xlink:type="locator" xlink:label="ifrs-full_PaymentsForShareIssueCosts" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProceedsFromIssuingShares" xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssuingShares" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProceedsFromExerciseOfOptions" xlink:type="locator" xlink:label="ifrs-full_ProceedsFromExerciseOfOptions" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_PaymentsOfOtherEquityInstruments" xlink:type="locator" xlink:label="ifrs-full_PaymentsOfOtherEquityInstruments" />
    <loc xlink:href="cron-20181231.xsd#cron_ProceedsFromExerciseOfWarrants" xlink:type="locator" xlink:label="cron_ProceedsFromExerciseOfWarrants" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="cron_ProceedsFromExerciseOfWarrants" order="10040.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsOfOtherEquityInstruments" order="10050.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromExerciseOfOptions" order="10060.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromIssuingShares" order="10070.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsForShareIssueCosts" order="10080.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromNoncurrentBorrowings" order="10090.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsFinancingActivities" order="10100.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_RepaymentsOfCurrentBorrowings" order="10110.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsForDebtIssueCosts" order="10120.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="cron_PaymentOfContingentConsiderationLiabilities" order="10130.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" order="10140.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="10150.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="10160.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="cron_CashOutflowFromTheExerciseOfWarrants" order="10170.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" order="10180.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="10190.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" order="10200.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_ProfitLoss" order="10210.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" order="10220.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="cron_RealizedFairValueAdjustmentsOnInventorySold" order="10230.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments" order="10240.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" order="10250.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" order="10260.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" order="10270.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForDeferredTaxExpense" order="10280.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_NetForeignExchangeGain" order="10290.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" order="10300.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAccountingChangesConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetail" xlink:href="cron-20181231.xsd#Role_DisclosureAccountingChangesConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAccountingChangesConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetail">
    <loc xlink:href="cron-20181231.xsd#cron_ProductionCost" xlink:type="locator" xlink:label="cron_ProductionCost" />
    <loc xlink:href="cron-20181231.xsd#cron_CostOfSalesBeforeFairValueAdjustments" xlink:type="locator" xlink:label="cron_CostOfSalesBeforeFairValueAdjustments" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CostOfSales" xlink:type="locator" xlink:label="ifrs-full_CostOfSales" />
    <loc xlink:href="cron-20181231.xsd#cron_RealizedFairValueAdjustmentsOnInventorySold" xlink:type="locator" xlink:label="cron_RealizedFairValueAdjustmentsOnInventorySold" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" />
    <loc xlink:href="cron-20181231.xsd#cron_GainsLossesOnFairValueAdjustments" xlink:type="locator" xlink:label="cron_GainsLossesOnFairValueAdjustments" />
    <loc xlink:href="cron-20181231.xsd#cron_GrossProfitBeforeFairValueAdjustments" xlink:type="locator" xlink:label="cron_GrossProfitBeforeFairValueAdjustments" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GrossProfit" xlink:type="locator" xlink:label="ifrs-full_GrossProfit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_GrossProfit" xlink:to="cron_GrossProfitBeforeFairValueAdjustments" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_GrossProfit" xlink:to="cron_GainsLossesOnFairValueAdjustments" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_GainsLossesOnFairValueAdjustments" xlink:to="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_GainsLossesOnFairValueAdjustments" xlink:to="cron_RealizedFairValueAdjustmentsOnInventorySold" order="10040.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CostOfSales" xlink:to="cron_CostOfSalesBeforeFairValueAdjustments" order="10050.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CostOfSales" xlink:to="cron_ProductionCost" order="10060.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAccountingChangesConsolidatedStatementOfCashFlowsDetail" xlink:href="cron-20181231.xsd#Role_DisclosureAccountingChangesConsolidatedStatementOfCashFlowsDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureAccountingChangesConsolidatedStatementOfCashFlowsDetail">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" />
    <loc xlink:href="cron-20181231.xsd#cron_RealizedFairValueAdjustmentsOnInventorySold" xlink:type="locator" xlink:label="cron_RealizedFairValueAdjustmentsOnInventorySold" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLoss" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" order="10010.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="cron_RealizedFairValueAdjustmentsOnInventorySold" order="10020.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" order="10040.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureBiologicalAssetsAndInventoryScheduleOfBiologicalInventoryDetail" xlink:href="cron-20181231.xsd#Role_DisclosureBiologicalAssetsAndInventoryScheduleOfBiologicalInventoryDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureBiologicalAssetsAndInventoryScheduleOfBiologicalInventoryDetail">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_WorkInProgress" xlink:type="locator" xlink:label="ifrs-full_WorkInProgress" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_FinishedGoods" xlink:type="locator" xlink:label="ifrs-full_FinishedGoods" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_Inventories" xlink:type="locator" xlink:label="ifrs-full_Inventories" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Inventories" xlink:to="ifrs-full_FinishedGoods" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Inventories" xlink:to="ifrs-full_WorkInProgress" order="10020.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureConstructionLoanPayableSummaryOfConstructionLoanPayableDetail" xlink:href="cron-20181231.xsd#Role_DisclosureConstructionLoanPayableSummaryOfConstructionLoanPayableDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureConstructionLoanPayableSummaryOfConstructionLoanPayableDetail">
    <loc xlink:href="cron-20181231.xsd#cron_InterestAccrualCapitalizedToConstructionInProgress" xlink:type="locator" xlink:label="cron_InterestAccrualCapitalizedToConstructionInProgress" />
    <loc xlink:href="cron-20181231.xsd#cron_TransactionCostsRecordedAsDeductionFromLoanProceedsOnFinancialInstrumentsClassifiedAsAmortizedCost" xlink:type="locator" xlink:label="cron_TransactionCostsRecordedAsDeductionFromLoanProceedsOnFinancialInstrumentsClassifiedAsAmortizedCost" />
    <loc xlink:href="cron-20181231.xsd#cron_AggregateAdvancesOfFundsOnConstructionLoanPayable" xlink:type="locator" xlink:label="cron_AggregateAdvancesOfFundsOnConstructionLoanPayable" />
    <loc xlink:href="cron-20181231.xsd#cron_ConstructionLoanPayable" xlink:type="locator" xlink:label="cron_ConstructionLoanPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_ConstructionLoanPayable" xlink:to="cron_AggregateAdvancesOfFundsOnConstructionLoanPayable" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_ConstructionLoanPayable" xlink:to="cron_TransactionCostsRecordedAsDeductionFromLoanProceedsOnFinancialInstrumentsClassifiedAsAmortizedCost" order="10020.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_ConstructionLoanPayable" xlink:to="cron_InterestAccrualCapitalizedToConstructionInProgress" order="10030.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureEarningsLossPerShareSummaryOfBasicAndDilutedEarningsLossPerShareDetail" xlink:href="cron-20181231.xsd#Role_DisclosureEarningsLossPerShareSummaryOfBasicAndDilutedEarningsLossPerShareDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureEarningsLossPerShareSummaryOfBasicAndDilutedEarningsLossPerShareDetail">
    <loc xlink:href="cron-20181231.xsd#cron_DilutiveEffectOfShareOptionsAndShareAppreciationRightsOnNumberOfOrdinaryShares" xlink:type="locator" xlink:label="cron_DilutiveEffectOfShareOptionsAndShareAppreciationRightsOnNumberOfOrdinaryShares" />
    <loc xlink:href="cron-20181231.xsd#cron_DilutiveEffectOfShareWarrantsOnNumberOfOrdinaryShares" xlink:type="locator" xlink:label="cron_DilutiveEffectOfShareWarrantsOnNumberOfOrdinaryShares" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_WeightedAverageShares" xlink:type="locator" xlink:label="ifrs-full_WeightedAverageShares" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:type="locator" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:type="locator" xlink:label="ifrs-full_AdjustedWeightedAverageShares" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="ifrs-full_WeightedAverageShares" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="cron_DilutiveEffectOfShareWarrantsOnNumberOfOrdinaryShares" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="cron_DilutiveEffectOfShareOptionsAndShareAppreciationRightsOnNumberOfOrdinaryShares" order="10040.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRelatedPartyTransactionsAndBalancesSummaryOfKeyManagementPersonnelDetail" xlink:href="cron-20181231.xsd#Role_DisclosureRelatedPartyTransactionsAndBalancesSummaryOfKeyManagementPersonnelDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureRelatedPartyTransactionsAndBalancesSummaryOfKeyManagementPersonnelDetail">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" />
    <loc xlink:href="cron-20181231.xsd#cron_KeyManagementPersonnelCompensationProfessionalFees" xlink:type="locator" xlink:label="cron_KeyManagementPersonnelCompensationProfessionalFees" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="cron_KeyManagementPersonnelCompensationProfessionalFees" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" order="10030.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesComponentsOfTaxProvisionDetail" xlink:href="cron-20181231.xsd#Role_DisclosureIncomeTaxesComponentsOfTaxProvisionDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesComponentsOfTaxProvisionDetail">
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_DeferredTaxExpenseIncome" xlink:type="locator" xlink:label="ifrs-full_DeferredTaxExpenseIncome" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_CurrentTaxExpenseIncome" xlink:type="locator" xlink:label="ifrs-full_CurrentTaxExpenseIncome" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="locator" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_CurrentTaxExpenseIncome" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_DeferredTaxExpenseIncome" order="10020.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesReconciliationOfCombinedCanadianFederalAndProvincialStatutoryIncomeTaxRateToEffectiveTaxRateDetail" xlink:href="cron-20181231.xsd#Role_DisclosureIncomeTaxesReconciliationOfCombinedCanadianFederalAndProvincialStatutoryIncomeTaxRateToEffectiveTaxRateDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesReconciliationOfCombinedCanadianFederalAndProvincialStatutoryIncomeTaxRateToEffectiveTaxRateDetail">
    <loc xlink:href="cron-20181231.xsd#cron_ChangesInUnrecognizedDeferredTaxAssets" xlink:type="locator" xlink:label="cron_ChangesInUnrecognizedDeferredTaxAssets" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_TaxEffectFromChangeInTaxRate" xlink:type="locator" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xlink:type="locator" xlink:label="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" />
    <loc xlink:href="cron-20181231.xsd#cron_NondeductibleTaxExpenseFromMealsAndEntertainment" xlink:type="locator" xlink:label="cron_NondeductibleTaxExpenseFromMealsAndEntertainment" />
    <loc xlink:href="cron-20181231.xsd#cron_TaxExpenseFromSharebasedPaymentTransactions" xlink:type="locator" xlink:label="cron_TaxExpenseFromSharebasedPaymentTransactions" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:type="locator" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="locator" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="cron_TaxExpenseFromSharebasedPaymentTransactions" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="cron_NondeductibleTaxExpenseFromMealsAndEntertainment" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" order="10040.00" priority="2" use="optional" weight="-1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_TaxEffectFromChangeInTaxRate" order="10050.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="cron_ChangesInUnrecognizedDeferredTaxAssets" order="10060.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
  <roleRef roleURI="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureSupplementaryCashFlowInformationSummaryOfChangesInNonCashWorkingCapitalDetail" xlink:href="cron-20181231.xsd#Role_DisclosureSupplementaryCashFlowInformationSummaryOfChangesInNonCashWorkingCapitalDetail" xlink:type="simple" />
  <calculationLink xlink:type="extended" xlink:role="http://thecronosgroup.com/20181231/taxonomy/role/DisclosureSupplementaryCashFlowInformationSummaryOfChangesInNonCashWorkingCapitalDetail">
    <loc xlink:href="cron-20181231.xsd#cron_AdjustmentsForDecreaseIncreaseInGovernmentRemittancesPayable" xlink:type="locator" xlink:label="cron_AdjustmentsForDecreaseIncreaseInGovernmentRemittancesPayable" />
    <loc xlink:href="cron-20181231.xsd#cron_AdjustmentsForHoldbacksPayable" xlink:type="locator" xlink:label="cron_AdjustmentsForHoldbacksPayable" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" />
    <loc xlink:href="cron-20181231.xsd#cron_AdjustmentsForIncreaseDecreaseInPrepaymentsAndOtherReceivables" xlink:type="locator" xlink:label="cron_AdjustmentsForIncreaseDecreaseInPrepaymentsAndOtherReceivables" />
    <loc xlink:href="cron-20181231.xsd#cron_AdjustmentsForDecreaseIncreaseInSalesTaxReceivable" xlink:type="locator" xlink:label="cron_AdjustmentsForDecreaseIncreaseInSalesTaxReceivable" />
    <loc xlink:href="http://xbrl.ifrs.org/taxonomy/2017-03-09/full_ifrs/full_ifrs-cor_2017-03-09.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
    <loc xlink:href="cron-20181231.xsd#cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:type="locator" xlink:label="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" order="10010.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="cron_AdjustmentsForDecreaseIncreaseInSalesTaxReceivable" order="10020.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="cron_AdjustmentsForIncreaseDecreaseInPrepaymentsAndOtherReceivables" order="10030.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" order="10040.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" order="10050.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" order="10060.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="cron_AdjustmentsForHoldbacksPayable" order="10070.00" priority="2" use="optional" weight="1.00" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cron_AdjustmentsForDecreaseIncreaseInNoncashWorkingCapitalToReconcileProfitLoss" xlink:to="cron_AdjustmentsForDecreaseIncreaseInGovernmentRemittancesPayable" order="10080.00" priority="2" use="optional" weight="1.00" />
  </calculationLink>
</linkbase>
