Compound

Compound interest calculator

See how consistent investing and the power of compounding can grow your money over time. Adjust your contributions, return rate, and timeline to visualize the journey.

Your plan

Adjust the inputs to model your investment.

Initial investment

Monthly contribution

Annual return rate

Years to grow

Compound frequency

Contributions of $500 are added each month and begin earning returns immediately. Figures are estimates and exclude taxes, fees, and inflation.

Future balance

$464,653

After 25 years

Total invested

$160,000

Principal + contributions

Interest earned

$304,653

66% of final balance

Growth multiple

2.90x

Balance vs. invested

Investment growth over time

Contributions stacked with compounded interest, year by year.