Compound Interest Calculator

Calculate maturity amount with compounding.

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Free compound interest calculator

Compound interest grows your money faster because you earn interest on interest. Enter principal, rate, time and compounding frequency to see the maturity amount and total interest — A = P(1 + r/n)^(nt).

Frequently asked questions

What is compound interest?

Interest calculated on the principal and the accumulated interest, compounded at set intervals.

Which compounding is best?

More frequent compounding (monthly vs yearly) yields slightly more interest.