Test score and grade calculator

How to use this tool

1. Enter your values or choose a local file. Replace the example data with your own.
2. Review options, units and assumptions, then run the tool.
3. Check the result before copying or downloading it. Keep an original copy of important files.

Method & assumptions

Turn the number of questions and how many you got right or wrong into a percentage score and letter grade.

Worked example

Number of questions or points: 40
I know the number: Wrong or missed
Number wrong or correct: 6
Grading scale: United States (A–F)

→ Score: 85 %
→ Letter grade: B
→ Correct: 34 / 40
→ Wrong or missed: 6
→ Each question or point is worth: 2.5 %

Limits & important notes

Basic release. Review the result before relying on it. File limits, supported cases and processing requirements are shown above.

Content updated: 2026-10-10