Financial · Calculator
Simple Interest Calculator
Calculate simple interest on a principal amount.
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Simple Interest Calculator
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Compute interest using the simple interest formula.
Formula
I = P × r × tStep-by-step
- r = rate / 100
- I = P × r × t
- Total = P + I
Example
$1,000 at 5% for 3 years earns $150 interest.
FAQ
Simple vs compound interest?+
Simple interest is only on principal; compound includes earned interest.
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