Grade calculator for a 23-question test
On a 23-question test, each question is worth 4.35% and you can miss 2 for an A, 4 for a B, 6 for a C and 9 for a D (common 90/80/70/60 scale). One wrong answer is 95.7%.
23-question test grade chart
Score for every number of wrong answers, rounded to one decimal.
| Wrong | Right | Score | Letter |
|---|---|---|---|
| 0 | 23 | 100.0% | A |
| 1 | 22 | 95.7% | A |
| 2 | 21 | 91.3% | A |
| 3 | 20 | 87.0% | B |
| 4 | 19 | 82.6% | B |
| 5 | 18 | 78.3% | C |
| 6 | 17 | 73.9% | C |
| 7 | 16 | 69.6% | D |
| 8 | 15 | 65.2% | D |
| 9 | 14 | 60.9% | D |
| 10 | 13 | 56.5% | F |
| 11 | 12 | 52.2% | F |
| 12 | 11 | 47.8% | F |
| 13 | 10 | 43.5% | F |
| 14 | 9 | 39.1% | F |
| 15 | 8 | 34.8% | F |
| 16 | 7 | 30.4% | F |
| 17 | 6 | 26.1% | F |
| 18 | 5 | 21.7% | F |
| 19 | 4 | 17.4% | F |
| 20 | 3 | 13.0% | F |
| 21 | 2 | 8.7% | F |
| 22 | 1 | 4.3% | F |
| 23 | 0 | 0.0% | F |
The math: score = right answers ÷ 23 × 100. Each question is 100 ÷ 23 = 4.35 percentage points, so every wrong answer takes 4.35 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.