2025 Tax Calculator Estimate Irs. 1040 tax estimation calculator for 2025 taxes. Updated for 2025 (and the taxes you do in 2025), simply enter your tax information and adjust your withholding.

The income tax calculator estimates the refund or potential owed amount on a federal tax return. 141 rows subtract your gross income with income taxes (federal, state, local) and payroll taxes (fica, state insurance).