Grade calculator for a 37-question test
On a 37-question test, each question is worth 2.7% and you can miss 3 for an A, 7 for a B, 11 for a C and 14 for a D (common 90/80/70/60 scale). One wrong answer is 97.3%.
37-question test grade chart
Score for every number of wrong answers, rounded to one decimal.
| Wrong | Right | Score | Letter |
|---|---|---|---|
| 0 | 37 | 100.0% | A |
| 1 | 36 | 97.3% | A |
| 2 | 35 | 94.6% | A |
| 3 | 34 | 91.9% | A |
| 4 | 33 | 89.2% | B |
| 5 | 32 | 86.5% | B |
| 6 | 31 | 83.8% | B |
| 7 | 30 | 81.1% | B |
| 8 | 29 | 78.4% | C |
| 9 | 28 | 75.7% | C |
| 10 | 27 | 73.0% | C |
| 11 | 26 | 70.3% | C |
| 12 | 25 | 67.6% | D |
| 13 | 24 | 64.9% | D |
| 14 | 23 | 62.2% | D |
| 15 | 22 | 59.5% | F |
| 16 | 21 | 56.8% | F |
| 17 | 20 | 54.1% | F |
| 18 | 19 | 51.4% | F |
| 19 | 18 | 48.6% | F |
| 20 | 17 | 45.9% | F |
| 21 | 16 | 43.2% | F |
| 22 | 15 | 40.5% | F |
| 23 | 14 | 37.8% | F |
| 24 | 13 | 35.1% | F |
| 25 | 12 | 32.4% | F |
| 26 | 11 | 29.7% | F |
| 27 | 10 | 27.0% | F |
| 28 | 9 | 24.3% | F |
| 29 | 8 | 21.6% | F |
| 30 | 7 | 18.9% | F |
| 31 | 6 | 16.2% | F |
| 32 | 5 | 13.5% | F |
| 33 | 4 | 10.8% | F |
| 34 | 3 | 8.1% | F |
| 35 | 2 | 5.4% | F |
| 36 | 1 | 2.7% | F |
| 37 | 0 | 0.0% | F |
The math: score = right answers ÷ 37 × 100. Each question is 100 ÷ 37 = 2.7 percentage points, so every wrong answer takes 2.7 points off a perfect 100%. Letters use the common 90/80/70/60 scale with no rounding up; your teacher may use different cutoffs, plus and minus grades or a curve, so check your school’s grading policy.