Simple Interest Calculator
Calculate simple interest on a principal amount
$
%
years
Formula
I = P × r × t
Simple interest is calculated only on the original principal, not on accumulated interest.
Examples
$5,000 at 5% for 3 years
Interest = $750, total = $5,750.
Frequently Asked Questions
About Simple Interest
Calculate simple interest on a principal amount. Used for short-term loans and some bonds.
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