Pick a jurisdiction
Each calculator is built from primary-source tax authority data and shows the calculation trace from gross income to net pay.
Australia — Federal
Single, full-year Australian tax resident, no dependents, no private health insurance surcharge, no HELP/HECS repayment, no Medicare levy surcharge. Income tax + Medicare levy modeled. State/territory tax and credits not included.
Tax year 2026 · AUD · release au-fed-2026.1 · reviewed 2026-09-28
Canada — Federal
Single filer, full-year Canadian tax resident, federal tax only (no provincial/territorial tax), no dependents, no credits, no RRSP or TFSA deductions modeled.
Tax year 2026 · CAD · release ca-fed-2026.1 · reviewed 2026-09-28
France — Federal
Single, full-year French tax resident, quotient familial 1 part (no children), no special deductions. Income tax + employee-side CSG/CRDS/social contributions modeled. Local taxes and credits not included.
Tax year 2026 · EUR · release fr-fed-2026.1 · reviewed 2026-09-28
Germany — Federal (Steuerklasse I)
Single employee (Steuerklasse I), full-year German tax resident, Grundfreibetrag only, no church tax, no children, no deductions beyond the basic allowance. Employee-side Sozialversicherung modeled.
Tax year 2026 · EUR · release de-fed-2026.1 · reviewed 2026-09-28
United Kingdom (England, Wales, Northern Ireland)
England / Wales / Northern Ireland resident, single, full-year UK tax resident, standard Personal Allowance (with the £100,000–£125,140 taper applied), employment income only, no Marriage Allowance or Blind Person's Allowance. Scottish rates are NOT modeled in this calculator.
Tax year 2026 · GBP · release gb-2026-27.1 · reviewed 2026-09-16
United States — Federal
Single filer, full-year US tax resident, standard deduction, no dependents, no pre-tax elections, no credits or AMT modeled.
Tax year 2026 · USD · release us-fed-2026.1 · reviewed 2026-09-16
What this calculator does
- Computes estimated annual and monthly net income from your gross salary.
- Shows income tax, employee social contributions, and the effective rate separately.
- Walks the calculation band by band with each bracket tied to its source fact.
- Generates a shareable, privacy-safe result link via the URL hash — no server storage.
- Reports the marginal rate with a plain-language explanation of what it means.
What it deliberately does not do
- No state, provincial, or local income tax (separate calculators per region).
- No self-employment, contractor, or employer-side tax modeling.
- No capital gains, dividend, rental, or investment income.
- No married filing jointly / dependents / household-specific scenarios in the v1 single-filer model.
- No tax-advice language. Results are estimates for educational purposes only.
See the full assumptions page for the exact modeled scenario and exclusions.