Federal Income Tax Calculator
Calculate your federal income tax with deductions, credits, and detailed breakdowns by tax bracket.
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Enter your information and click "Calculate My Tax" to see your results here.
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Disclaimer
This calculator provides estimates for informational purposes only. Results are not guaranteed and should not be considered professional tax advice. Actual tax liability may vary. Consult a qualified tax professional for personalized advice.
How This Calculator Works
Our federal income tax calculator uses the official 2025 IRS tax brackets and standard deduction amounts to provide accurate estimates. Here's how we calculate your tax:
- We sum all your income sources (W-2, 1099, investment, retirement, and other)
- We subtract your deductions (standard or itemized) to calculate taxable income
- We apply the progressive federal tax brackets to your taxable income
- We subtract tax credits (Child Tax Credit, education credits, etc.)
- We compare total tax to withholding/payments to determine refund or amount owed
Assumptions: This calculator assumes you are a U.S. citizen or resident alien with standard filing requirements. Special situations like alternative minimum tax (AMT), self-employment tax adjustments, and complex investment scenarios may require additional calculations.