FREE ONLINE CALCULATOR

Simple Interest Calculator

Calculate simple interest and the total amount using your principal, interest rate and investment period. Enter any currency you want.

💱
Enter any currency code or symbol
💰
The original amount of money
📈%
The yearly interest rate
⏳ years
How long the money is invested or borrowed
💰

Calculate your interest

Enter your amount, interest rate and time period to instantly calculate your simple interest.

01 Enter your principal
02 Add interest rate
03 See your total amount
HOW IT WORKS

Simple math. Clear results.

01

Enter your amount

Enter the original amount you are investing, saving or borrowing. You can use any currency, including AED, USD, EUR, GBP or LKR.

02

Add your rate

Enter the annual interest rate. For example, a 5% annual rate means you earn 5% of the original principal each year.

03

See the result

The calculator shows your interest earned and the final amount after the selected period.