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What is the Simple Interest Calculator?

A simple interest calculator computes interest only on the principal amount, without compounding. It is often used for short-term loans.

How to Use This Calculator

1

Enter the principal amount.

2

Input the annual interest rate.

3

Specify the time period in years.

4

Click 'Calculate' to see the total interest.

Example Calculation

$1,000 at 5% for 3 years

For a $1,000 loan at 5% simple interest for 3 years, the total interest is $150. The total amount to repay is $1,150.

Frequently Asked Questions

Pro Tips

  • Always clarify if a loan uses simple or compound interest.
  • Paying off the principal early reduces the total interest paid.
  • Use this to check the accuracy of bank calculations.