Simple Interest Calculator
Calculate simple interest: I = P × R × T.
How to Use Simple Interest Calculator
- 1Enter the principal amount
- 2Enter the annual interest rate
- 3Enter the time period (years or months)
- 4See interest, total amount, and monthly interest
About Simple Interest Calculator
Simple interest is calculated on the principal amount only, without compounding. Use this calculator to find the interest earned (I = P × R × T), total amount at maturity, and monthly interest. Supports time in years or months.
Frequently Asked Questions
What is simple interest?
Simple interest is calculated only on the original principal: I = P × R × T, where P is principal, R is annual rate, and T is time in years.