Finance Tools

Compound InterestCalculator

Calculate how compound interest grows your investments over time. See the power of compounding with regular contributions.

Compound Interest

Growth Summary

Final Balance$298,715
Total Interest$168,715earned

Investment Breakdown

Initial Investment$10,000
Total Contributions$120,000
Interest Earned$168,715
Return on Investment130.6%
Years to Double10.2 years

Compound Interest Tips

  • Start early - time is key
  • Consistent contributions matter
  • Reinvest dividends
  • Minimize fees and taxes

Rule of 72

Divide 72 by your interest rate to estimate years to double your money.

Example: 72 รท 7% = 10.3 years