Compound Interest Calculator

See how your money grows over time. Includes optional monthly contributions and inflation-adjusted (“real”) results.

Initial Amount

Annual Interest Rate (%)

Years

Compounding

Monthly Contribution (optional)

Inflation (optional, %/yr)

Total Contributions

—

Nominal

Interest Earned

—

Nominal

Future Value

—

— (real)

Growth Chart

Year	Start Balance	Contrib	Interest	End Balance	End Balance (real)

“Real” value = Nominal ÷ (1 + Inflation)^year. This is a simple inflation adjustment for illustrative purposes.