Skip to content

39 out of 45 as a Grade: Chart for a 45-Question Test

Quick answer: 39 out of 45 is 86.67%, a B. 44 out of 45 is 97.78%, an A+.

Each question on a 45-question test is worth 2.22%. You can miss up to 4 and keep an A- (90%).

Standard plus/minus scale. Last reviewed: October 2026.

The scores people look up most, on the plus/minus scale and on a plain 10-point scale (A starts at 90%).

Popular scores on a 45-question test with both grading scales
ScorePercentagePlus/minus scale10-point scaleWrong
39/4586.67%BB6
44/4597.78%A+A1
41/4591.11%A-A4
36/4580%B-B9
31/4568.89%D+D14
27/4560%D-D18

EZ Grader Chart: Every Score on a 45-Question Test

Find the number correct in the first column and read the percentage and letter grade in the same row. Use this easy grader chart for a whole stack of papers with the same number of questions.

Percentage and letter grade for every possible score on a 45-question test
ScoreWrongPercentageLetter
45 out of 450100%A+
44 out of 45197.78%A+
43 out of 45295.56%A
42 out of 45393.33%A
41 out of 45491.11%A-
40 out of 45588.89%B+
39 out of 45686.67%B
38 out of 45784.44%B
37 out of 45882.22%B-
36 out of 45980%B-
35 out of 451077.78%C+
34 out of 451175.56%C
33 out of 451273.33%C
32 out of 451371.11%C-
31 out of 451468.89%D+
30 out of 451566.67%D
29 out of 451664.44%D
28 out of 451762.22%D-
27 out of 451860%D-
26 out of 451957.78%F
25 out of 452055.56%F
24 out of 452153.33%F
23 out of 452251.11%F
22 out of 452348.89%F
21 out of 452446.67%F
20 out of 452544.44%F
19 out of 452642.22%F
18 out of 452740%F
17 out of 452837.78%F
16 out of 452935.56%F
15 out of 453033.33%F
14 out of 453131.11%F
13 out of 453228.89%F
12 out of 453326.67%F
11 out of 453424.44%F
10 out of 453522.22%F
9 out of 453620%F
8 out of 453717.78%F
7 out of 453815.56%F
6 out of 453913.33%F
5 out of 454011.11%F
4 out of 45418.89%F
3 out of 45426.67%F
2 out of 45434.44%F
1 out of 45442.22%F
0 out of 45450%F

How many can you miss on a 45-question test?

The most wrong answers allowed for each grade. Each question is worth 2.22%.

Number correct needed and most wrong allowed for each letter grade on a 45-question test
GradeMinimum scoreCorrect neededMost wrong allowed
A+97%441
A93%423
A-90%414
B+87%405
B83%387
B-80%369
C+77%3510
C73%3312
C-70%3213
D+67%3114
D63%2916
D-60%2718

Your school may use different cutoffs. See the grading scale chart for the plus/minus, 10-point and 7-point scales.

Frequently asked questions about a 45-question test

What grade is 39 out of 45?

39 out of 45 is 86.67%, a B on the standard plus/minus scale. 39/45 means 39 correct and 6 wrong. A school that uses a 10-point scale without plus or minus would call it a B.

What is 44/45 as a grade?

44 out of 45 is 97.78%, an A+, with 1 wrong, on the standard plus/minus scale.

What is 41/45 as a grade?

41 out of 45 is 91.11%, an A-, with 4 wrong, on the standard plus/minus scale.

What is 36/45 as a grade?

36 out of 45 is 80%, a B-, with 9 wrong, on the standard plus/minus scale.

How many questions can I miss on a 45-question test and still get an A?

You can miss up to 4 and still earn an A- (90%), or up to 3 for an A (93%). For a B (83%) the limit is up to 7, for a C (73%) it is up to 12, and to stay at a passing D- (60%) it is up to 18.

How much is each question worth on a 45-question test?

Each question is worth 2.22% of the grade, so every wrong answer lowers the score by 2.22 percentage points.

What score passes on a 45-question test?

At a 60% pass mark you need 27 correct, which is 60%, a D- on the plus/minus scale. One fewer (26 out of 45) is 57.78%, an F. Some schools set a higher pass mark such as 70%, which needs 32 correct.

How do I score half points on a 45-question test?

Use the calculator and switch it to half points. For example, 39.5 out of 45 is 87.78%, a B+.

How do I print the 45-question chart?

Press Print / save as PDF above the chart. Only this chart is printed, and you can choose Save as PDF in the print window to get a file instead of paper.

What grading scale does this chart use?

The standard U.S. plus/minus scale: A at 93%, A- at 90%, B+ at 87%, B at 83%, B- at 80%, C+ at 77%, C at 73%, C- at 70%, D+ at 67%, D at 63% and D- at 60%. Schools set their own cutoffs, so if yours differ, read the percentage column and apply your own.

Other test sizes

Different length? The easy grader calculator works for any number of questions, and the chart hub lists every size.