Calculating Tax Return 2024. Once you have entered in details about your wages or salary, additional earnings, and tax withholdings, the tax return calculator will display: Estimate your 2024 tax refund with the h&r block tax calculator.

Calculate your transition profit for the 2023 to 2024 tax year if you are affected by the new tax year basis (basis period reform). Estimate your 2023 tax refund or taxes owed, and check federal and provincial tax rates.