Finance
Simple Interest Calculator
Calculate simple interest from principal, rate and time, then see the interest amount and total value without compounding.
Tool workspace
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How to use Simple Interest Calculator
Enter the principal, annual rate and time period.
Review the simple-interest amount and final total.
Change the inputs to compare different borrowing or saving assumptions.
Frequently asked questions
How is simple interest different from compound interest?
Simple interest is calculated only on the original principal every period, while compound interest is calculated on the principal plus previously earned interest.