Scores Out of 15 as Percentages
Every possible score on a 15-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 |
|---|---|---|---|
| 0/15 | 0% | F | 15 |
| 1/15 | 6.7% | F | 14 |
| 2/15 | 13.3% | F | 13 |
| 3/15 | 20% | F | 12 |
| 4/15 | 26.7% | F | 11 |
| 5/15 | 33.3% | F | 10 |
| 6/15 | 40% | F | 9 |
| 7/15 | 46.7% | F | 8 |
| 8/15 | 53.3% | F | 7 |
| 9/15 | 60% | D | 6 |
| 10/15 | 66.7% | D | 5 |
| 11/15 | 73.3% | C | 4 |
| 12/15 | 80% | B | 3 |
| 13/15 | 86.7% | B | 2 |
| 14/15 | 93.3% | A | 1 |
| 15/15 | 100% | A | 0 |
Grade a 15-Question Test
Use the Test Grade Calculator to interactively grade any 15-question test. Enter the number of questions wrong and get your score instantly, plus a printable grading-scale table.