How this calculator works
Enter the values for principal, annual rate (%), years. The result applies the displayed method and rounds only for presentation.
Formula / method
Interest = principal × annual rate × years.
Worked example
Worked example: Principal = 10000; Annual rate (%) = 6; Years = 5.
Assumptions and limitations
The inputs use the units shown and the displayed simple interest calculator method applies to the situation being estimated.
This simple interest calculator uses the stated formula and supplied units; unusual inputs, local rules or professional context can change the interpretation.
Informational only: this estimate is not financial advice. Actual rates, fees, taxes and lender or market terms may differ.