Compound Interest Calculator
See how an initial amount plus regular contributions grows over time once compounding does its work.
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How to use
- Enter your starting balance and how much you'll add each month.
- Set an expected annual return and number of years.
- The final balance and total growth update as you type.
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FAQ
How does compound interest work?
Each period you earn returns on your balance and on previously earned returns, so growth accelerates over time.
Is the return guaranteed?
No. Investment returns vary year to year; this is an estimate using a constant average rate.
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