Test Grade Percentage Calculator

Summary

Enter the number of correct answers and total questions to instantly calculate your test score as a percentage and letter grade, with optional curve or extra-credit points.

How it works

1. Enter the number of correct answers in the first field.
2. Enter the total number of questions on the test.
3. Optionally enter curve points (added directly to your percentage) or extra-credit points (added to correct answers).
4. Your percentage score and letter grade update instantly.
5. The grade scale panel shows all grade boundaries for quick reference.

Use cases

• Check your grade right after getting a test back.
• Estimate your letter grade before a teacher posts official results.
• Calculate the impact of a curve on your final score.
• Understand how extra-credit points improve your percentage.
• Compare scores across tests with different total question counts.
• Help students quickly convert raw scores to GPA-relevant grades.

Frequently Asked Questions