Irs Tax Calculator 2025. After getting a 2025 tax return estimate using the taxcaster tax estimator for the 2025 tax filing season, it's time to plan. Use smartasset's tax return calculator to see how your income, withholdings, deductions and credits impact your tax refund or balance due amount.

Your average tax rate is 10.94% and your marginal tax rate is 22%. 10%, 12%, 22%, 24%, 32%, 35%, and 37%.