Compound Interest Calculator

Project compound growth with recurring contributions and flexible compounding. Free to use online with no sign-up. Fast and mobile-friendly.

See how an initial balance and regular contributions may grow when interest is added back to the balance.

Formula

Future value uses compound growth plus the future value of recurring contributions.

Example

More frequent compounding slightly increases growth at the same nominal annual rate.

Frequently asked questions

Is the compound interest calculator free to use?: Yes. The tool is free to use and does not require an account.
Is my input stored?: For browser-based tools, your input stays on your device. The URL shortener is the exception because short links must be stored to redirect later.