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Simple Interest Calculator

Calculate simple interest and total amount using principal, annual interest rate and time period.

Investment Details

Enter calculation details

Add the original amount, annual rate and duration to calculate simple interest.

Time Unit

Simple interest method

Interest is calculated only on the original principal and does not compound over time.

Your interest result will appear here

Enter the principal, annual interest rate and time period to calculate simple interest and total amount.

01

Enter Principal

Enter the original amount that is invested or borrowed.

02

Enter Rate and Time

Add the annual interest rate and select the duration.

03

View Interest Result

See simple interest, total amount and complete calculation details.