US Federal Income Tax Calculator 2025
All Deductions, Credits & FICA — IRS Accurate
Step 1 — Filing Status & Income
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Step 2 — Above-Line Deductions (reduce AGI)
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Step 3 — Itemized Deductions (vs Standard)
Standard deductions 2025: Single $15,750 · MFJ $31,500 · HOH $23,625. Itemize only if total exceeds your standard deduction.
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Step 4 — Tax Credits
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Federal Income Tax
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FICA Total
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Est. Take-Home
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Effective Rate
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Marginal Bracket
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Monthly Net
Full Tax Breakdown
Federal Tax Bracket Waterfall — 2025
| Bracket | Income Range (Single) | Rate | Your Tax Here |
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FICA Breakdown 2025
Disclaimer: This calculator estimates federal tax only. State taxes, local taxes, QBI deduction (Sec 199A), and complex AMT scenarios require professional review. For official calculation, use IRS.gov. Based on IRS Rev. Proc. 2025-32 and OBBBA 2025.
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Enter your income & deductions
Complete IRS-accurate federal tax with all above-line deductions, itemized vs standard, tax credits, FICA, and LTCG rates.