About the Income Tax Estimator
Estimate income tax with progressive brackets you can edit — total tax, effective and marginal rates, per-bracket breakdown.
Also known as: income tax calculator, tax bracket calculator, progressive tax, marginal tax rate.
How to use this calculator
- Enter taxable income, brackets: from amount, rate % (one per line).
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Tax = Σ (income in bracket × bracket rate)
Worked example
Using the values pre-filled in the calculator above:
- Taxable income = 85,000
- Brackets: from amount, rate % (one per line): 0, 10 11600, 12 47150, 22 100525, 24 191950, 32 243725, 35 6…
the calculator returns:
- Income tax: 13,753
- Effective rate: 16.18%
- Marginal rate: 22%
- After-tax income: 71,247