2024 Tax Calculator Estimate H&Amp;R Block. Start it tax calculator to estimate 2023 taxes and 2024 refunds. Not sure which h&r block online product to purchase?.
— read on as we break down all the h&r block tax filing options available in 2024 and recommend the one that’s best for your personal tax situation. For the 2023 tax year (filed in 2024), you can purchase h&r block online programs starting in november 2023.