2025 brackets; standard deduction $15,000 single / $30,000 married.
Example: Gross income: $95,000 · Filing status: Single · Deductions (standard auto-applied if lower): $0 → Federal income tax: $12,514.
Taxable income: $80,000
Effective rate: 13.2%
Marginal bracket: 22%
Frequently asked questions
How do I calculate federal income tax? 2025 brackets; standard deduction $15,000 single / $30,000 married. Enter your numbers above and the result updates instantly. For example: Gross income: $95,000 · Filing status: Single · Deductions (standard auto-applied if lower): $0 → Federal income tax: $12,514.
Is this Federal Income Tax Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for federal income tax. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.