Simple interest calculator

Principal, interest and final balance. Free, simple, and right here in your browser.

Preparing your tool…
A little possibility, waiting.Your result will appear here.
A useful little guide

How to use simple interest calculator

Calculate simple interest from a starting principal, constant annual rate and time in years. Show the interest earned separately from the total balance.

  1. Enter the numbers, dates or units you want to compare.
  2. Choose the calculation options and calculate.
  3. Review the result together with the assumptions shown.
A real use case

Try this next

Calculate simple interest on NPR 100000 at 6% for two years.

A detail to keep in mind

Simple interest does not compound. Fees, withholding taxes and lender-specific day-count rules are not included.

Questions, answered.

Is simple interest calculator free to use?

Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.

What should I check before using the result?

Simple interest does not compound. Fees, withholding taxes and lender-specific day-count rules are not included.

Does this tool upload my files or text?

The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.

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