💰 Finance
Rule of 72
Estimate years to double your money at a given annual return.
Results
- Approx years to double
- 9
- Exact (ln2 / ln(1+r))
- 9.01
Disclaimer: Results are estimates for educational purposes and are not a substitute for professional financial, medical, legal, or tax advice. Read more
You might also like
💰 Finance
Compounding Calculator
Compare continuous vs n-times-per-year compounding, effective annual rate, and a year-by-year growth schedule.
💰 FinanceCAGR Calculator
Compound annual growth rate between a beginning and ending value.
💰 FinanceMortgage Calculator
Estimate monthly principal & interest payments for a fixed-rate mortgage.
💰 FinanceLoan / EMI Calculator
Calculate equated monthly installment (EMI) for personal or auto loans.
💰 FinanceCompound Interest Calculator
See how money grows with compound interest over time.
💰 FinanceSimple Interest Calculator
Calculate simple interest and total amount payable.