Simple Interest Calculator
Estimate simple interest from principal, annual rate, and years.
Estimate only. Check taxes, fees, and contract rules for your situation.
How to use the simple interest calculator
Enter principal, annual percentage rate, and time in years to calculate simple interest without compounding.
Example
1,000 at 5% per year for 2 years gives 100 interest and 1,100 total.
Good to know
Lenders may compound, use daily accrual, or add fees. Check the contract for actual charges.