Free federal income tax calculator 2026. Estimate your tax bill, effective tax rate, and take-home pay using current IRS tax brackets.
This free calculator gives you instant, accurate results. All calculations happen in your browser — your data never leaves your device and is completely private.
Enter your values in the fields above and click Calculate. Results appear instantly with a full breakdown. You can adjust any value and recalculate as many times as you need.
Our calculator uses standard financial and mathematical formulas to provide accurate estimates. Results are for educational and planning purposes — always consult a qualified professional for major financial decisions.