Compound Interest Calculator
Calculate how your money grows with compound interest. Supports different compounding frequencies.
Principal Amount
$1,000
$1,000,000
Annual Interest Rate
0.1%
30%
Time Period
1yrs
50yrs
Compounds Per Year
1yrs
50yrs
Calculate
Enter values above — results appear instantly as you type.
Last reviewed: May 2026 ·
Methodology