Finance

Compound Interest

Estimate future value, contributions, and growth with transparent finance math.

Calculations run locally and are not financial advice.

Investment estimate

Monthly compounding with recurring contributions.

Initial principal

Monthly contribution

Annual return %

Years

Future value

$113,669

Contributions

$70,000

Growth

$43,669

Future value: $113,669
Contributions: $70,000
Estimated growth: $43,669

$10,000 principal, $500 monthly, 8% for 10 years

$2,000 principal, $200 monthly, 10% for 20 years

No. It is an educational calculator for quick estimates.

Interest is compounded monthly with contributions added each month.