Test Grade Calculator
Turn correct answers or points earned into a test percentage and letter grade instantly using this free test grade calculator in your browser.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the number of correct answers and total questions.
- Read your percentage and letter grade.
How it works
Score = correct ÷ total × 100; the letter grade uses a standard 90/80/70/60 scale.
Worked example
42 of 50. = 84% (B), 8 missed.
Tips
- Runs entirely in your browser. Your inputs are not saved or transmitted.
Frequently asked questions
Can I change the scale?
The letter grade is a common default; your school's cutoffs may differ.
Privacy?
Runs entirely in your browser. Your inputs are not saved or transmitted.
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Cite this tool
Zerdly. (2026). Test Grade Calculator. Retrieved from https://www.zerdly.com/tools/test-grade-calculator/
Tip: Enter any known values to calculate the remaining results.
Designed to run locally in your browser. Tool inputs are not intentionally stored by Zerdly unless stated otherwise.