Grade calculator for a 9-question test
On a 9-question test, each question is worth 11.11% and you can miss none for an A, 1 for a B, 2 for a C and 3 for a D (common 90/80/70/60 scale). One wrong answer is 88.9%.
9-question test grade chart
Score for every number of wrong answers, rounded to one decimal.
| Wrong | Right | Score | Letter |
|---|---|---|---|
| 0 | 9 | 100.0% | A |
| 1 | 8 | 88.9% | B |
| 2 | 7 | 77.8% | C |
| 3 | 6 | 66.7% | D |
| 4 | 5 | 55.6% | F |
| 5 | 4 | 44.4% | F |
| 6 | 3 | 33.3% | F |
| 7 | 2 | 22.2% | F |
| 8 | 1 | 11.1% | F |
| 9 | 0 | 0.0% | F |
The math: score = right answers ÷ 9 × 100. Each question is 100 ÷ 9 = 11.11 percentage points, so every wrong answer takes 11.11 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.