Simple Interest Calculator

Calculate simple interest earned or owed on a principal amount.

· CalcFlow Editorial

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Enter values above and click Calculate to see your results.

Results shown are estimates for informational purposes only. Nothing on CalcFlow is financial, tax, legal, or medical advice. Always consult a qualified professional before making important decisions.

How to Use

  1. Enter the principal amount.
  2. Enter the annual interest rate.
  3. Enter the number of years.
  4. Click Calculate.

Formula

Interest = Principal x Rate x Time (I = PRT)

Frequently Asked Questions