Grade percentage calculator
Calculator
The calculator needs JavaScript. The tables below give the same numbers for common cases.
How it is worked out
- Divide: 42 ÷ 50 = 0.84.
- Multiply by 100: 84%.
- Letter grades depend on your school or teacher; check their scale.
| Inputs | Answer |
|---|---|
| 42, 50 | 42 out of 50 is 84%. |
| 37, 40 | 37 out of 40 is 92.5%. |
| 46, 50 | 46 out of 50 is 92%. |
How to use it
Divide the points you earned by the points possible and multiply by 100. 42 out of 50 is 0.84, or 84%.
The calculator gives the percent only. What letter that percent earns depends on your school or teacher, so check their scale. Points possible must be more than 0.
Frequently asked questions
How do I calculate a test score percent?
Divide the correct points by the total points and multiply by 100.
What is 37 out of 40?
37 ÷ 40 = 0.925, which is 92.5%.
Does this give a letter grade?
No, scales differ by school; check your syllabus.
Method: standard arithmetic shown step by step; no outside data is used. Checked 2026-11-12.
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General information only. Results are plain arithmetic on the numbers you enter; check anything important (money, health, school work) against your own records or the official source.