Free Interest-Only Loan Calculator
Calculate the monthly interest-only payment and total interest for a fixed period.
Interest-Only Loan Calculator
Enter a value to begin.
How to use this interest-only loan calculator
- Enter the principal, fixed annual rate and interest-only duration.
- 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
The monthly payment equals principal × annual rate ÷ 12; principal is not reduced during the interest-only period and later repayment terms are excluded.
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 interest-only loan 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.