Estimate US federal income tax for 2025–2026. See federal tax owed, effective and marginal rates, and after-tax income by filing status.
A quick decision brief for this specific tool
Annual gross ordinary income, federal filing status, and tax year (2025 or 2026)
Simplified federal regular income tax, taxable income, active bracket allocation, marginal/effective rates, after-tax amount, and CSV breakdown
IRS-published standard deductions and progressive federal brackets; each slice of taxable income is charged only at its applicable marginal rate
Choose your path
Estimate US federal income tax from a selected tax year, filing status, gross income, standard deduction, and progressive brackets with explicit scope limits.
Estimate federal income tax and distinguish marginal from effective rate.
Select tax year/status, enter income, and inspect deduction plus bracket-by-bracket tax.
Understands that the top bracket does not apply to all income and that withholding/refund is outside the estimate.
Compare supported filing statuses for the same gross income.
Hold year/income constant, switch status, and compare taxable income, tax, and effective rate.
Uses only a legally applicable status and does not treat the comparison as filing advice.
Run a current-year rough estimate with source/version visibility.
Confirm the tax year and federal-only scope, choose a preset or income, and review the result on a phone.
Completes the estimate with tap-sized controls and knows credits, payroll/state tax, itemization, and special income are excluded.
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This simplified path subtracts the selected year's standard deduction from gross ordinary income. It does not model itemized deductions, credits, capital gains, self-employment tax, AMT, FICA, or state/local tax.
Simplified taxable income = max(0, gross ordinary income − standard deduction)The US uses marginal tax brackets — each portion of income is taxed at its bracket rate, not your entire income at the top rate.
Total Tax = Sum of (Income in Bracket × Bracket Rate)Bracket boundaries and standard deductions come from IRS-published 2025 and 2026 material. Review the linked IRS source for the selected year because tax law and individual treatment can change.
Formula: Internal Revenue Service
Updated: August 2026
A single employee earning $75,000 before deductions.
→ Federal tax ≈ $7,949, effective rate ≈ 10.6%
A dual-income household filing jointly with $150,000 combined income.
→ 2025 simplified federal tax ≈ $17,160, marginal rate 22%
A household compares filing statuses and tax years before taking the result to a tax professional for a complete return estimate.
Marginal rates apply only to income within each bracket. A $75k earner is not taxed at 22% on the entire amount — only the portion above the bracket threshold.
Federal tax is calculated on taxable income after the standard deduction, not gross salary. Under the enacted 2025 amendment, the single standard deduction is $15,750.
Estimate simplified US federal regular income tax from gross ordinary income, filing status, and the 2025 or 2026 standard deduction. This is a planning estimate, not a tax return.