Compound Interest & Investment Growth Calculator

See how a starting balance and regular contributions grow over time, and how much of the total comes from your own money versus investment growth.

FinanceClif Tools / Compound Interest & Investment Growth

Compound Interest & Investment Growth Calculator

See how a starting balance and regular contributions grow over time, and how much of the total comes from your own money versus investment growth.

Your numbers

$
$
%

Long-run US stock market average is roughly 7–10% before inflation.

years
%

Used to show your future value in today’s purchasing power.

Assumes a fixed annual return and consistent contributions with no withdrawals. Actual investment returns vary year to year and aren’t guaranteed. For educational purposes only — not financial advice.