Interest Rate Calculator
Work out the interest rate on a loan from its payment and term.
Result
Results are estimates for general information only and are not professional advice.
Finding the interest rate
If you know a loan's amount, monthly payment and term, this calculator solves for the annual interest rate (APR) behind it. This is useful for checking a quoted rate or comparing financing offers.
Frequently Asked Questions
What is the Interest Rate Calculator?
Work out the interest rate on a loan from its payment and term. It runs instantly in your browser and is completely free.
Is the Interest Rate Calculator free and does it require signup?
Yes. Every calculator on Calculatis is 100% free with no registration, and the values you enter are never stored.
How accurate is the Interest Rate Calculator?
It uses standard, widely-accepted formulas. Results are reliable estimates for general use and are not a substitute for professional advice.