Finance & business
Compound Interest Calculator
See how savings grow with compound interest, plus optional monthly contributions.
Enter starting balance, interest rate, contribution, and term. See future value and interest earned.
Future value$123,578.16
Total contributions$64,000.00
Interest earned$59,578.16
How to use it
- 1Enter initial deposit.
- 2Enter annual interest rate.
- 3Enter monthly contribution (optional).
- 4Enter years.
Real use cases
- Retirement planning.
- Kids' education savings.
- Emergency fund growth.
Frequently asked
What is compound interest?
Interest earned on both the initial principal and on previously accumulated interest - money earning money.
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