Compound Interest Calculator
Calculate how your investments will grow over time with the power of compounding.
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The Power of Compound Interest
Albert Einstein is famously apocryphally quoted as saying "Compound interest is the eighth wonder of the world. He who understands it, earns it; he who doesn't, pays it."
Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on interest. It is the result of reinvesting interest, rather than paying it out, so that interest in the next period is then earned on the principal sum plus previously accumulated interest.