Compound Interest Calculator

Time plus compound interest is the closest thing to free money in personal finance. Enter your numbers below to see what your savings could grow into — then read our guide to high-yield savings accounts to make sure you’re earning a rate worth compounding.

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Projected balance
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Total you put in
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Interest earned
Assumes monthly compounding at a fixed annual rate. Real investments fluctuate year to year — treat this as a planning estimate, not a prediction.
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