Scores Out of 18 as Percentages
Every possible score on a 18-question test or assignment, converted to a percentage and letter grade. Click any row to see the full worked calculation.
| Score | Percentage | Letter Grade | Wrong |
|---|---|---|---|
| 0/18 | 0% | F | 18 |
| 1/18 | 5.6% | F | 17 |
| 2/18 | 11.1% | F | 16 |
| 3/18 | 16.7% | F | 15 |
| 4/18 | 22.2% | F | 14 |
| 5/18 | 27.8% | F | 13 |
| 6/18 | 33.3% | F | 12 |
| 7/18 | 38.9% | F | 11 |
| 8/18 | 44.4% | F | 10 |
| 9/18 | 50% | F | 9 |
| 10/18 | 55.6% | F | 8 |
| 11/18 | 61.1% | D | 7 |
| 12/18 | 66.7% | D | 6 |
| 13/18 | 72.2% | C | 5 |
| 14/18 | 77.8% | C | 4 |
| 15/18 | 83.3% | B | 3 |
| 16/18 | 88.9% | B | 2 |
| 17/18 | 94.4% | A | 1 |
| 18/18 | 100% | A | 0 |
Grade a 18-Question Test
Use the Test Grade Calculator to interactively grade any 18-question test. Enter the number of questions wrong and get your score instantly, plus a printable grading-scale table.