45 question test grading scale

Every score on a 45-question test converted to a percentage and letter grade, plus how many you can miss for each grade.

How many can you miss?

GradeMinimum scoreQuestions you can miss
A (90%)41 out of 454
B (80%)36 out of 459
C (70%)32 out of 4513
D (60%)27 out of 4518

Full 45-question score chart

CorrectMissedPercentageLetter grade
450100%A+
44197.78%A+
43295.56%A
42393.33%A
41491.11%A-
40588.89%B+
39686.67%B
38784.44%B
37882.22%B-
36980%B-
351077.78%C+
341175.56%C
331273.33%C
321371.11%C-
311468.89%D+
301566.67%D
291664.44%D
281762.22%D-
271860%D-
261957.78%F
252055.56%F
242153.33%F
232251.11%F
222348.89%F
212446.67%F
202544.44%F
192642.22%F
182740%F
172837.78%F
162935.56%F
153033.33%F
143131.11%F
133228.89%F
123326.67%F
113424.44%F
103522.22%F
93620%F
83717.78%F
73815.56%F
63913.33%F
54011.11%F
4418.89%F
3426.67%F
2434.44%F
1442.22%F
0450%F

Other test sizes

Frequently Asked Questions