Scores Out of 24 as Percentages

Every possible score on a 24-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
0/24 0% F 24
1/24 4.2% F 23
2/24 8.3% F 22
3/24 12.5% F 21
4/24 16.7% F 20
5/24 20.8% F 19
6/24 25% F 18
7/24 29.2% F 17
8/24 33.3% F 16
9/24 37.5% F 15
10/24 41.7% F 14
11/24 45.8% F 13
12/24 50% F 12
13/24 54.2% F 11
14/24 58.3% F 10
15/24 62.5% D 9
16/24 66.7% D 8
17/24 70.8% C 7
18/24 75% C 6
19/24 79.2% C 5
20/24 83.3% B 4
21/24 87.5% B 3
22/24 91.7% A 2
23/24 95.8% A 1
24/24 100% A 0

Use the Test Grade Calculator to interactively grade any 24-question test. Enter the number of questions wrong and get your score instantly, plus a printable grading-scale table.

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