Compound Interest Calculator
CalculatorA compound interest calculator estimates future value when interest earns additional interest over time.
What is it
Compound interest adds earned interest back to the principal, so later periods earn interest on a larger balance.
future value = principal × (1 + annual rate)^years
How to use
- 1Enter principal.
- 2Enter annual rate and years.
- 3Check future value and interest.
Reference
| Principal | Rate | Years | Future value |
|---|---|---|---|
| 1000000 | 5% | 10 | 1628895 |
Sources & standards
- Percent - Wolfram MathWorld
FAQ
What does 1,000,000 become at 5% for 10 years?
With annual compounding, it becomes about 1,628,895.
Does this match every financial product?
No. Taxes, fees, compounding frequency, and product terms can change the actual result.