Grade calculator for a 36-question test
On a 36-question test, each question is worth 2.78% and you can miss 3 for an A, 7 for a B, 10 for a C and 14 for a D (common 90/80/70/60 scale). One wrong answer is 97.2%.
36-question test grade chart
Score for every number of wrong answers, rounded to one decimal.
| Wrong | Right | Score | Letter |
|---|---|---|---|
| 0 | 36 | 100.0% | A |
| 1 | 35 | 97.2% | A |
| 2 | 34 | 94.4% | A |
| 3 | 33 | 91.7% | A |
| 4 | 32 | 88.9% | B |
| 5 | 31 | 86.1% | B |
| 6 | 30 | 83.3% | B |
| 7 | 29 | 80.6% | B |
| 8 | 28 | 77.8% | C |
| 9 | 27 | 75.0% | C |
| 10 | 26 | 72.2% | C |
| 11 | 25 | 69.4% | D |
| 12 | 24 | 66.7% | D |
| 13 | 23 | 63.9% | D |
| 14 | 22 | 61.1% | D |
| 15 | 21 | 58.3% | F |
| 16 | 20 | 55.6% | F |
| 17 | 19 | 52.8% | F |
| 18 | 18 | 50.0% | F |
| 19 | 17 | 47.2% | F |
| 20 | 16 | 44.4% | F |
| 21 | 15 | 41.7% | F |
| 22 | 14 | 38.9% | F |
| 23 | 13 | 36.1% | F |
| 24 | 12 | 33.3% | F |
| 25 | 11 | 30.6% | F |
| 26 | 10 | 27.8% | F |
| 27 | 9 | 25.0% | F |
| 28 | 8 | 22.2% | F |
| 29 | 7 | 19.4% | F |
| 30 | 6 | 16.7% | F |
| 31 | 5 | 13.9% | F |
| 32 | 4 | 11.1% | F |
| 33 | 3 | 8.3% | F |
| 34 | 2 | 5.6% | F |
| 35 | 1 | 2.8% | F |
| 36 | 0 | 0.0% | F |
The math: score = right answers ÷ 36 × 100. Each question is 100 ÷ 36 = 2.78 percentage points, so every wrong answer takes 2.78 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.