Grade calculator for a 43-question test
On a 43-question test, each question is worth 2.33% and you can miss 4 for an A, 8 for a B, 12 for a C and 17 for a D (common 90/80/70/60 scale). One wrong answer is 97.7%.
43-question test grade chart
Score for every number of wrong answers, rounded to one decimal.
| Wrong | Right | Score | Letter |
|---|---|---|---|
| 0 | 43 | 100.0% | A |
| 1 | 42 | 97.7% | A |
| 2 | 41 | 95.3% | A |
| 3 | 40 | 93.0% | A |
| 4 | 39 | 90.7% | A |
| 5 | 38 | 88.4% | B |
| 6 | 37 | 86.0% | B |
| 7 | 36 | 83.7% | B |
| 8 | 35 | 81.4% | B |
| 9 | 34 | 79.1% | C |
| 10 | 33 | 76.7% | C |
| 11 | 32 | 74.4% | C |
| 12 | 31 | 72.1% | C |
| 13 | 30 | 69.8% | D |
| 14 | 29 | 67.4% | D |
| 15 | 28 | 65.1% | D |
| 16 | 27 | 62.8% | D |
| 17 | 26 | 60.5% | D |
| 18 | 25 | 58.1% | F |
| 19 | 24 | 55.8% | F |
| 20 | 23 | 53.5% | F |
| 21 | 22 | 51.2% | F |
| 22 | 21 | 48.8% | F |
| 23 | 20 | 46.5% | F |
| 24 | 19 | 44.2% | F |
| 25 | 18 | 41.9% | F |
| 26 | 17 | 39.5% | F |
| 27 | 16 | 37.2% | F |
| 28 | 15 | 34.9% | F |
| 29 | 14 | 32.6% | F |
| 30 | 13 | 30.2% | F |
| 31 | 12 | 27.9% | F |
| 32 | 11 | 25.6% | F |
| 33 | 10 | 23.3% | F |
| 34 | 9 | 20.9% | F |
| 35 | 8 | 18.6% | F |
| 36 | 7 | 16.3% | F |
| 37 | 6 | 14.0% | F |
| 38 | 5 | 11.6% | F |
| 39 | 4 | 9.3% | F |
| 40 | 3 | 7.0% | F |
| 41 | 2 | 4.7% | F |
| 42 | 1 | 2.3% | F |
| 43 | 0 | 0.0% | F |
The math: score = right answers ÷ 43 × 100. Each question is 100 ÷ 43 = 2.33 percentage points, so every wrong answer takes 2.33 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.