FinanceUpdated 2026-04-12
Compound Interest Calculator
Enter principal, annual rate, years, and compounding frequency to estimate future value.
Result
Future value
$16,470.09
Interest earned
$6,470.09
Formula Explanation
Future value = principal x (1 + annual rate / compounding periods)^(periods x years).
How to Use
- Enter your starting amount.
- Enter the expected annual rate.
- Choose the number of years and compounding periods per year.
Examples
Example: $10,000 at 5% compounded monthly for 10 years grows to about $16,470.09.
FAQ
What does compounding mean?
Compounding means interest is added to the balance, and future interest is calculated on that larger balance.
Does this include monthly contributions?
No. This estimate uses a single starting principal.