US Federal Income Tax Calculator
Enter your annual income and filing status to estimate your federal tax liability using the current standard deduction and tax brackets.
Your files never leave your device — everything runs in your browser.
This is a simplified estimate using the 2026 standard deduction and federal tax brackets — it doesn't account for credits, itemized deductions, state tax, or other adjustments. For an exact figure, use official IRS tools or consult a tax professional.
This tool is for informational and estimation purposes only; it does not constitute legal, financial, or tax advice. Results may change based on current regulations; for exact, binding calculations, consult the relevant official authority, accountant, or lawyer.
How to Use
- 1Choose your filing status (single or married filing jointly).
- 2Enter your annual gross income.
- 3Optionally enter the federal tax already withheld to estimate your refund or amount owed.
Frequently Asked Questions
Is this an official IRS calculation?
No — this is a simplified estimate based on the 2026 standard deduction and federal tax brackets. It doesn't account for tax credits, itemized deductions, or state taxes, so your actual liability may differ.
Is my income data sent anywhere?
No. Everything is calculated locally in your browser; nothing you enter is sent to a server.