2025 Tax Refund Calculator Irs. Calculate your tax return before you file your return on efile.com. The irs says it issues most refunds within 21 calendar days.
That was a 5 percent jump from the prior year, according to the irs. Personal finance insider’s federal income tax calculator estimates how much you may owe the irs, or get back as a refund, when you file your 2024 tax return.