Free online tool
Percentage Error Calculator
Calculate percentage error between measured and accepted values. No signup, no backend and no paid API.
Percentage Error Calculator
|Measured − Accepted| ÷ |Accepted| × 100
Enter values and press Calculate.
How Percentage Error Calculator Works
Calculate percentage error between measured and accepted values. Enter the requested values, select Calculate, and the result is computed instantly in your browser using JavaScript.
Formula
|Measured − Accepted| ÷ |Accepted| × 100
Why Use This Calculator?
This free calculator is designed for quick everyday math, school work, shopping, finance and business calculations. It works on desktop and mobile devices without requiring an account.
Frequently Asked Questions
Yes. It is free to use and calculations are performed locally in your browser.
No. Use the calculator directly from your web browser.
Yes. The interface is responsive for phones, tablets and desktop computers.