Finance
Compound interest calculator
Compute compound interest final amount (A = P·(1 + r/n)^(n·t)).
Enter Principal, Annual interest rate (%), Years, and Compounds per year to calculate Final amount and Interest earned. Results update instantly as you type. Try an example preset to sanity-check the tool.
About this tool
- Inputs: Principal, Annual interest rate (%), Years, Compounds per year
- Outputs: Final amount, Interest earned
Formulas
Final amount
Final amount = Principal × ((1 + Annual interest rate (%) / 100 / Compounds per year))^((Compounds per year × Years))Interest earned
Interest earned = Principal × ((((1 + Annual interest rate (%) / 100 / Compounds per year))^((Compounds per year × Years)) - 1))Share & embed
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