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Compound Interest Calculator
See how an initial deposit and regular monthly contributions may grow over time when returns are compounded.
Growth assumptions
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Estimated growth
Future value—
Total contributed—
Estimated interest—
Value / contributions—
How the estimate works
Each compounding period applies the selected annual rate to the current balance and then adds the equivalent share of your monthly contributions. Actual investments may compound differently and returns can rise or fall.
Planning notes
- This estimate does not include taxes, fees, inflation or changing returns.
- A stated investment return is not guaranteed.
- This calculator provides general information, not investment or financial advice.