Calculate simple interest on a principal amount — instant results, no ads, no sign-up.
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Simple Interest Calculator lets you: Calculate simple interest on a principal amount — instant results, no ads, no sign-up. To start, input the starting amount of money.
Input the starting amount of money.
Enter the annual interest rate as a percentage.
Enter how many years the interest accrues for.
See the interest earned and the total amount.
Interest earned
$1,500.00
Principal
$10,000.00
Total amount
$11,500.00