Scores Out of 42 as Percentages

Every possible score on a 42-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
0/42 0% F 42
1/42 2.4% F 41
2/42 4.8% F 40
3/42 7.1% F 39
4/42 9.5% F 38
5/42 11.9% F 37
6/42 14.3% F 36
7/42 16.7% F 35
8/42 19% F 34
9/42 21.4% F 33
10/42 23.8% F 32
11/42 26.2% F 31
12/42 28.6% F 30
13/42 31% F 29
14/42 33.3% F 28
15/42 35.7% F 27
16/42 38.1% F 26
17/42 40.5% F 25
18/42 42.9% F 24
19/42 45.2% F 23
20/42 47.6% F 22
21/42 50% F 21
22/42 52.4% F 20
23/42 54.8% F 19
24/42 57.1% F 18
25/42 59.5% F 17
26/42 61.9% D 16
27/42 64.3% D 15
28/42 66.7% D 14
29/42 69% D 13
30/42 71.4% C 12
31/42 73.8% C 11
32/42 76.2% C 10
33/42 78.6% C 9
34/42 81% B 8
35/42 83.3% B 7
36/42 85.7% B 6
37/42 88.1% B 5
38/42 90.5% A 4
39/42 92.9% A 3
40/42 95.2% A 2
41/42 97.6% A 1
42/42 100% A 0

Use the Test Grade Calculator to interactively grade any 42-question test. Enter the number of questions wrong and get your score instantly, plus a printable grading-scale table.

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