Self-employed

Convert the amounts to CAD before entering. Use the average exchange rate from the Bank of Canada website if the transactions happened over a period of time: https://www.bankofcanada.ca/rates/exchange/annual-average-exchange-rates/

If you have the date of the transaction, you can use the rate for the date of the transaction: https://www.bankofcanada.ca/rates/exchange/daily-exchange-rates-lookup/