Know what your income is really worth
What is your income really worth?
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Next: what is this worth?
Calculators
Start with a question
Why WorthSpan
Numbers you can check, not numbers you have to trust.
Transparent formulas
Every result shows the exact formula and each step used to reach it.
Official data sources
Tax and price data come only from named government and statistical agencies.
Versioned tax rules
Tax rules are versioned by tax year and dated when verified — never guessed.
Country comparisons
Compare purchasing power across countries once verified PPP and FX data are loaded.
No hidden calculations
Deterministic arithmetic in your browser. No AI estimates, no black boxes.
No login needed
Your figures stay on your device and carry across every calculator.
Countries