Grade chart for 40 questions
Every score on a 40-question test as a percentage, letter grade and GPA. Each question is worth 2.5%. You can miss up to 4 for an A, and up to 16 and still pass with 60%.
- Each question
- 2.5%of the test
- A
- ≤ 4 wrong36 or more right
- B
- ≤ 8 wrong32 or more right
- C
- ≤ 12 wrong28 or more right
- D
- ≤ 16 wrong24 or more right
Every score out of 40
Find the number correct or the number wrong, and pick a score for its full breakdown. Percentages are rounded to one decimal, never up past a grade boundary.
| Correct | Wrong | Percentage | Grade | Plus/minus | GPA |
|---|---|---|---|---|---|
| 40/40 | 0 | 100% | A | A+ | 4.0 |
| 39/40 | 1 | 97.5% | A | A+ | 4.0 |
| 38/40 | 2 | 95% | A | A | 4.0 |
| 37/40 | 3 | 92.5% | A | A− | 4.0 |
| 36/40 | 4 | 90% | A | A− | 4.0 |
| 35/40 | 5 | 87.5% | B | B+ | 3.0 |
| 34/40 | 6 | 85% | B | B | 3.0 |
| 33/40 | 7 | 82.5% | B | B− | 3.0 |
| 32/40 | 8 | 80% | B | B− | 3.0 |
| 31/40 | 9 | 77.5% | C | C+ | 2.0 |
| 30/40 | 10 | 75% | C | C | 2.0 |
| 29/40 | 11 | 72.5% | C | C− | 2.0 |
| 28/40 | 12 | 70% | C | C− | 2.0 |
| 27/40 | 13 | 67.5% | D | D+ | 1.0 |
| 26/40 | 14 | 65% | D | D | 1.0 |
| 25/40 | 15 | 62.5% | D | D− | 1.0 |
| 24/40 | 16 | 60% | D | D− | 1.0 |
| 23/40 | 17 | 57.5% | F | F | 0.0 |
| 22/40 | 18 | 55% | F | F | 0.0 |
| 21/40 | 19 | 52.5% | F | F | 0.0 |
| 20/40 | 20 | 50% | F | F | 0.0 |
| 19/40 | 21 | 47.5% | F | F | 0.0 |
| 18/40 | 22 | 45% | F | F | 0.0 |
| 17/40 | 23 | 42.5% | F | F | 0.0 |
| 16/40 | 24 | 40% | F | F | 0.0 |
| 15/40 | 25 | 37.5% | F | F | 0.0 |
| 14/40 | 26 | 35% | F | F | 0.0 |
| 13/40 | 27 | 32.5% | F | F | 0.0 |
| 12/40 | 28 | 30% | F | F | 0.0 |
| 11/40 | 29 | 27.5% | F | F | 0.0 |
| 10/40 | 30 | 25% | F | F | 0.0 |
| 9/40 | 31 | 22.5% | F | F | 0.0 |
| 8/40 | 32 | 20% | F | F | 0.0 |
| 7/40 | 33 | 17.5% | F | F | 0.0 |
| 6/40 | 34 | 15% | F | F | 0.0 |
| 5/40 | 35 | 12.5% | F | F | 0.0 |
| 4/40 | 36 | 10% | F | F | 0.0 |
| 3/40 | 37 | 7.5% | F | F | 0.0 |
| 2/40 | 38 | 5% | F | F | 0.0 |
| 1/40 | 39 | 2.5% | F | F | 0.0 |
| 0/40 | 40 | 0% | F | F | 0.0 |
How to work out a score out of 40
- Divide the number correct by 40. For 39 out of 40: 39 ÷ 40 = 0.975.
- Multiply by 100: 97.5%.
- Find that on the grading scale. A is 90% and up, B 80%, C 70% and D 60%, so 39/40 is an A.
Every wrong answer costs 2.5 percentage points on this test. The grading scales guide compares the standard, plus/minus and 7-point scales.
Questions about a 40-question test
What grade is 39 out of 40?
39/40 is 97.5%, an A (A+ with plus and minus grades) and a 4.0 GPA. Yes. It is an A, the top grade on the standard US scale.
What grade is 38 out of 40?
38/40 is 95%, an A and a 4.0 GPA. Yes. It is an A, the top grade on the standard US scale.
What grade is 32 out of 40?
32/40 is 80%, a B (B− with plus and minus grades) and a 3.0 GPA. Yes. It is a B, a solid grade above the C average.
What grade is 28 out of 40?
28/40 is 70%, a C (C− with plus and minus grades) and a 2.0 GPA. It is a C, an average grade and a pass at most US schools.
How many can you miss on a 40-question test and get an A?
4. 36 out of 40 is 90%, still an A. With plus and minus grades a full A starts at 93%, so you can miss 2 for an A, and 37 out of 40 is an A−.
How many wrong can you get and still pass?
16 with a 60% passing score: you need 24 out of 40. With a 70% passing score you need 28 out of 40.
Grade charts for other test lengths
Need another length? The printable grade charts go from 5 to 100 questions, and the easy grader makes a chart for any test.