Test Grade Calculator
Calculate your test percentage and letter grade from correct and total questions.
Test Score
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Letter Grade
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Correct Answers
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Wrong Answers
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How to Use the Test Grade Calculator
- Enter total questions: The total number of questions on the test.
- Enter wrong answers: The number of questions you got wrong or left unanswered.
- View results: See your percentage score, letter grade, and a full grade scale table.
Standard Grading Scale
| Letter Grade | Percentage Range |
|---|---|
| A+ | 97 - 100% |
| A | 93 - 96% |
| A- | 90 - 92% |
| B+ | 87 - 89% |
| B | 83 - 86% |
| B- | 80 - 82% |
| C+ | 77 - 79% |
| C | 73 - 76% |
| C- | 70 - 72% |
| D+ | 67 - 69% |
| D | 63 - 66% |
| D- | 60 - 62% |
| F | Below 60% |
Frequently Asked Questions
How is the test score calculated?
Test Score = ((Total Questions - Wrong Answers) / Total Questions) x 100. Each question is assumed to be worth equal points.
What grading scale does this use?
This calculator uses the standard US grading scale with plus/minus grades. Your school may use a different scale, so check with your instructor.