Compound Interest Calculator

Calculate how your money grows over time with compound interest. See the power of compounding with different rates, frequencies, and time periods.

How to Use

1. Enter your initial investment (principal)
2. Set the annual interest rate
3. Choose compounding frequency (daily, monthly, yearly)
4. Set the investment duration
5. View total interest earned and final balance

The Power of Compounding

Compound interest earns interest on both your initial investment and previously earned interest. Albert Einstein reportedly called it the "eighth wonder of the world." Even small differences in interest rates can lead to dramatically different outcomes over long periods.