Interest Rate Calculator
Calculate simple and compound interest on savings or investments.
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Compound Interest Total
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Interest Earned
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Simple Interest Total
Compound advantage: $0 more than simple interest
About
Simple interest is calculated only on the principal: I = P × r × t. Compound interest earns interest on interest: A = P(1 + r/n)^(nt). The more frequently interest compounds, the more you earn. This is why Albert Einstein reportedly called compound interest “the eighth wonder of the world.”