Simple Interest Calculator
Use I = P × r × t to find interest and the final balance.
Simple Interest Calculator
Use I = P × r × t to find interest and the final balance.
Method and assumptions
Figur applies straightforward arithmetic to the values you enter. The calculation runs locally in your browser and is not stored.
- The result depends on accurate inputs and units.
- External factors, fees, taxes, or rules not requested by the calculator are not included.
- Use the result as a planning estimate and verify any high-stakes decision.
Sources and references
No external data source is required: this calculator uses standard arithmetic and the values you enter.
Frequently asked questions
Is interest compounded?
No. Simple interest is calculated only on the original principal.
How do I enter 6%?
Enter 6, not 0.06.