Grade calculator for a 29-question test
On a 29-question test, each question is worth 3.45% and you can miss 2 for an A, 5 for a B, 8 for a C and 11 for a D (common 90/80/70/60 scale). One wrong answer is 96.6%.
29-question test grade chart
Score for every number of wrong answers, rounded to one decimal.
| Wrong | Right | Score | Letter |
|---|---|---|---|
| 0 | 29 | 100.0% | A |
| 1 | 28 | 96.6% | A |
| 2 | 27 | 93.1% | A |
| 3 | 26 | 89.7% | B |
| 4 | 25 | 86.2% | B |
| 5 | 24 | 82.8% | B |
| 6 | 23 | 79.3% | C |
| 7 | 22 | 75.9% | C |
| 8 | 21 | 72.4% | C |
| 9 | 20 | 69.0% | D |
| 10 | 19 | 65.5% | D |
| 11 | 18 | 62.1% | D |
| 12 | 17 | 58.6% | F |
| 13 | 16 | 55.2% | F |
| 14 | 15 | 51.7% | F |
| 15 | 14 | 48.3% | F |
| 16 | 13 | 44.8% | F |
| 17 | 12 | 41.4% | F |
| 18 | 11 | 37.9% | F |
| 19 | 10 | 34.5% | F |
| 20 | 9 | 31.0% | F |
| 21 | 8 | 27.6% | F |
| 22 | 7 | 24.1% | F |
| 23 | 6 | 20.7% | F |
| 24 | 5 | 17.2% | F |
| 25 | 4 | 13.8% | F |
| 26 | 3 | 10.3% | F |
| 27 | 2 | 6.9% | F |
| 28 | 1 | 3.4% | F |
| 29 | 0 | 0.0% | F |
The math: score = right answers ÷ 29 × 100. Each question is 100 ÷ 29 = 3.45 percentage points, so every wrong answer takes 3.45 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.