Compound Interest Calculator

Calculate compound interest growth over time — see how your investments grow with regular contributions and different compounding frequencies

How to Use the Compound Interest Calculator

1. Enter your principal amount (initial investment), optional monthly contribution, and annual interest rate.
2. Choose the compounding frequency (Daily, Monthly, Quarterly, or Annually) and the time period in years, then click Calculate.
3. Review the final balance, total contributions, and total interest earned. Expand the year-by-year breakdown to see how your money grows over time. Toggle inflation adjustment to view values in today's dollars.

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