Compound Interest Calculator

Watch your money grow.

Compound growth is money earning money on itself. See what a small amount, invested steadily, can become over time, and why starting early matters most.

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What you'll invest

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$
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Time & growth

yrs
%

Historically the stock market has returned about 7% a year after inflation, but returns aren't guaranteed. Use a lower number to be cautious.

What you'd have

$0

Add an amount to start

Estimates only, for planning. Not financial advice.

Saved on this device only; no account needed.