Compound Interest

How to use

1. Enter your starting principal.
2. Choose periodic deposits or a one-time lump-sum future value.
3. Set the annual interest rate and the compounding frequency (daily, monthly, quarterly, or annual).
4. Set the number of years, and the deposit per period if you chose periodic deposits.
5. Read the final balance, total contributions, and total interest, with a year-by-year table and chart.

Examples

• $10,000 at 7% compounded monthly for 20 years grows to about $40,387.
• Adding $200 every month for 20 years at 7% reaches roughly $147,000.