Simple Interest Calculator
Find simple interest and the resulting total from principal, annual rate and time.
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What is Simple Interest Calculator?
Simple Interest Calculator applies the annual rate only to the original principal for the selected time.
How to use Simple Interest Calculator
- 01
Enter the principal, annual rate and number of years.
- 02
Use decimal years when the period is not a whole number of years.
- 03
Review the interest amount and total principal plus interest.
Simple Interest Calculator FAQ
How is simple interest different from compound interest?
Simple interest uses only the original principal, while compound interest periodically earns interest on earlier interest too.
Is Simple Interest Calculator private to use?
Yes. Financial and business values are calculated locally in your browser and are not sent to Toolnera.