Scores Out of 27 as Percentages

Every possible score on a 27-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
0/27 0% F 27
1/27 3.7% F 26
2/27 7.4% F 25
3/27 11.1% F 24
4/27 14.8% F 23
5/27 18.5% F 22
6/27 22.2% F 21
7/27 25.9% F 20
8/27 29.6% F 19
9/27 33.3% F 18
10/27 37% F 17
11/27 40.7% F 16
12/27 44.4% F 15
13/27 48.1% F 14
14/27 51.9% F 13
15/27 55.6% F 12
16/27 59.3% F 11
17/27 63% D 10
18/27 66.7% D 9
19/27 70.4% C 8
20/27 74.1% C 7
21/27 77.8% C 6
22/27 81.5% B 5
23/27 85.2% B 4
24/27 88.9% B 3
25/27 92.6% A 2
26/27 96.3% A 1
27/27 100% A 0

Use the Test Grade Calculator to interactively grade any 27-question test. Enter the number of questions wrong and get your score instantly, plus a printable grading-scale table.

← Back to all percentage tables