Free Simple Interest Calculator
Calculate simple interest and totals.
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About the Simple Interest Calculator
Free simple interest calculator. Enter principal, rate and time to calculate the simple interest earned and the total amount, without compounding.
How it works
- 1
Enter the values
Principal, annual rate and time.
- 2
See the interest
Interest and total appear instantly.
Frequently asked questions
Interest = principal × rate × time. Unlike compound interest, it isn't added to the principal.
Often for short-term loans, car loans and some bonds.
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