Finance tool

Compound Interest Calculator

Explore how a starting investment may grow when its returns are reinvested over time.

Starting amount

Contribution per month

Added at the end of each compounding period.

Annual interest rate

Enter the expected nominal annual rate.

Time horizon

Compounding frequency

Contributions are assumed to occur at the end of each compounding period. This estimate excludes taxes, fees, and inflation.

Estimated balance

$37,405.09

Starting amount $10,000.00

Contributions $12,000.00

Interest earned $15,405.09

Starting amount Contributions Interest earned

Balance milestones

Year	Balance	Contributions	Interest