// finance
Financial calculators
Four educational simulations to understand how money grows — or erodes: compound interest, mortgage, financial independence and inflation. Every calculation runs in your browser.
- Compound interest A fixed rate versus years with variable returns, with monthly contributions. Open calculator
- Mortgage Monthly payment, total interest, cash needed to buy and the share of your income it takes. Open calculator
- FIRE How much you need to live off your investments and how many years you have left. Open calculator
- Inflation How much purchasing power your money loses and whether your savings make up for it. Open calculator
These are educational tools: they exclude taxes and fees unless stated and are not financial advice.