Scores Out of 40 as Percentages
Every possible score on a 40-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 |
|---|---|---|---|
| 0/40 | 0% | F | 40 |
| 1/40 | 2.5% | F | 39 |
| 2/40 | 5% | F | 38 |
| 3/40 | 7.5% | F | 37 |
| 4/40 | 10% | F | 36 |
| 5/40 | 12.5% | F | 35 |
| 6/40 | 15% | F | 34 |
| 7/40 | 17.5% | F | 33 |
| 8/40 | 20% | F | 32 |
| 9/40 | 22.5% | F | 31 |
| 10/40 | 25% | F | 30 |
| 11/40 | 27.5% | F | 29 |
| 12/40 | 30% | F | 28 |
| 13/40 | 32.5% | F | 27 |
| 14/40 | 35% | F | 26 |
| 15/40 | 37.5% | F | 25 |
| 16/40 | 40% | F | 24 |
| 17/40 | 42.5% | F | 23 |
| 18/40 | 45% | F | 22 |
| 19/40 | 47.5% | F | 21 |
| 20/40 | 50% | F | 20 |
| 21/40 | 52.5% | F | 19 |
| 22/40 | 55% | F | 18 |
| 23/40 | 57.5% | F | 17 |
| 24/40 | 60% | D | 16 |
| 25/40 | 62.5% | D | 15 |
| 26/40 | 65% | D | 14 |
| 27/40 | 67.5% | D | 13 |
| 28/40 | 70% | C | 12 |
| 29/40 | 72.5% | C | 11 |
| 30/40 | 75% | C | 10 |
| 31/40 | 77.5% | C | 9 |
| 32/40 | 80% | B | 8 |
| 33/40 | 82.5% | B | 7 |
| 34/40 | 85% | B | 6 |
| 35/40 | 87.5% | B | 5 |
| 36/40 | 90% | A | 4 |
| 37/40 | 92.5% | A | 3 |
| 38/40 | 95% | A | 2 |
| 39/40 | 97.5% | A | 1 |
| 40/40 | 100% | A | 0 |
Grade a 40-Question Test
Use the Test Grade Calculator to interactively grade any 40-question test. Enter the number of questions wrong and get your score instantly, plus a printable grading-scale table.