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Compound Interest Calculator

See how your savings or investment grows with compound interest.

Free, no signupRuns in your browserInstant result

Principal ($)Rate (%/yr)

YearsCompounds/yr

Frequently asked questions

What is compound interest?

Interest earned on both your principal and previously earned interest. Compounding more frequently grows your money faster.

How accurate is this?

It uses the exact compound interest formula A = P(1 + r/n)^(nt) for a precise projection.

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