Free Simple Interest Calculator
Calculate non-compounding interest and final balance.
Simple Interest Calculator
Enter a value to begin.
How to use this simple interest calculator
- Enter principal, yearly rate and time.
- Check the inputs and preview, then use the primary action.
- Download, copy or use the result shown by the tool.
How the result is calculated
Simple interest equals principal multiplied by annual rate and years.
All calculation and transformation work happens in this browser tab. No entered value is sent to an Noler Tools application server.
Important limitations
Results are provided for convenience and should be checked independently before an important decision. A format or checksum result never authenticates an identity, document, account, licence, vehicle or registration.
Frequently asked questions
Is this simple interest calculator free?
Yes. It is free to use and does not require an account.
Does Noler Tools save my input?
No. The input and result remain in temporary browser memory and are not uploaded or saved by this site.