Grading chart · 90 questions

90 Question Grading Scale: Out of 90 Grading Chart

78.5 out of 90 is 87.22%, which is a B+ on the standard grading scale. Below is every score from 90/90 down to 0/90 with its percentage, letter grade and number wrong.

Out of 90 grade calculator

78.5/90 is

87.22%
B+ Passing
Wrong answers
11.5
Each question
1.11%
Needed to pass
54/90

Out of 90 grading chart

Every possible score on a 90-question test. Each question is worth 1.11%.

Grading chart for a 90-question test: every score with its percentage and letter grade
Score Wrong Percentage Grade Status
90/90 0 100% A+ Passing
89/90 1 98.89% A+ Passing
88/90 2 97.78% A+ Passing
87/90 3 96.67% A Passing
86/90 4 95.56% A Passing
85/90 5 94.44% A Passing
84/90 6 93.33% A Passing
83/90 7 92.22% A- Passing
82/90 8 91.11% A- Passing
81/90 9 90% A- Passing
80/90 10 88.89% B+ Passing
79/90 11 87.78% B+ Passing
78/90 12 86.67% B Passing
77/90 13 85.56% B Passing
76/90 14 84.44% B Passing
75/90 15 83.33% B Passing
74/90 16 82.22% B- Passing
73/90 17 81.11% B- Passing
72/90 18 80% B- Passing
71/90 19 78.89% C+ Passing
70/90 20 77.78% C+ Passing
69/90 21 76.67% C Passing
68/90 22 75.56% C Passing
67/90 23 74.44% C Passing
66/90 24 73.33% C Passing
65/90 25 72.22% C- Passing
64/90 26 71.11% C- Passing
63/90 27 70% C- Passing
62/90 28 68.89% D Passing
61/90 29 67.78% D Passing
60/90 30 66.67% D Passing
59/90 31 65.56% D Passing
58/90 32 64.44% D Passing
57/90 33 63.33% D Passing
56/90 34 62.22% D Passing
55/90 35 61.11% D Passing
54/90 36 60% D Passing
53/90 37 58.89% F Not passing
52/90 38 57.78% F Not passing
51/90 39 56.67% F Not passing
50/90 40 55.56% F Not passing
49/90 41 54.44% F Not passing
48/90 42 53.33% F Not passing
47/90 43 52.22% F Not passing
46/90 44 51.11% F Not passing
45/90 45 50% F Not passing
44/90 46 48.89% F Not passing
43/90 47 47.78% F Not passing
42/90 48 46.67% F Not passing
41/90 49 45.56% F Not passing
40/90 50 44.44% F Not passing
39/90 51 43.33% F Not passing
38/90 52 42.22% F Not passing
37/90 53 41.11% F Not passing
36/90 54 40% F Not passing
35/90 55 38.89% F Not passing
34/90 56 37.78% F Not passing
33/90 57 36.67% F Not passing
32/90 58 35.56% F Not passing
31/90 59 34.44% F Not passing
30/90 60 33.33% F Not passing
29/90 61 32.22% F Not passing
28/90 62 31.11% F Not passing
27/90 63 30% F Not passing
26/90 64 28.89% F Not passing
25/90 65 27.78% F Not passing
24/90 66 26.67% F Not passing
23/90 67 25.56% F Not passing
22/90 68 24.44% F Not passing
21/90 69 23.33% F Not passing
20/90 70 22.22% F Not passing
19/90 71 21.11% F Not passing
18/90 72 20% F Not passing
17/90 73 18.89% F Not passing
16/90 74 17.78% F Not passing
15/90 75 16.67% F Not passing
14/90 76 15.56% F Not passing
13/90 77 14.44% F Not passing
12/90 78 13.33% F Not passing
11/90 79 12.22% F Not passing
10/90 80 11.11% F Not passing
9/90 81 10% F Not passing
8/90 82 8.89% F Not passing
7/90 83 7.78% F Not passing
6/90 84 6.67% F Not passing
5/90 85 5.56% F Not passing
4/90 86 4.44% F Not passing
3/90 87 3.33% F Not passing
2/90 88 2.22% F Not passing
1/90 89 1.11% F Not passing
0/90 90 0% F Not passing
Standard US scale (A 93%+, B 83%+, C 73%+, D 60%+). Passing is 60%. Change the scale in the test grader settings and this chart updates on your device.

Grading notes for a 90-question test

On a 90-question test each question is worth 1.11 percentage points. One wrong answer gives 98.89% (A+) and two wrong answers give 97.78% (A+). To pass with 60%, a student needs 54 correct and can miss up to 36.

With 90 questions every letter grade on the standard scale, from A+ down to F, can be earned with a whole-number score, so the chart below shows the full range.

What you need for each grade out of 90

The fewest correct answers for each letter grade, and how many questions a student can miss.

  1. A+

    88 of 90 correct (miss up to 2)

  2. A

    84 of 90 correct (miss up to 6)

  3. A-

    81 of 90 correct (miss up to 9)

  4. B+

    79 of 90 correct (miss up to 11)

  5. B

    75 of 90 correct (miss up to 15)

  6. B-

    72 of 90 correct (miss up to 18)

  7. C+

    70 of 90 correct (miss up to 20)

  8. C

    66 of 90 correct (miss up to 24)

  9. C-

    63 of 90 correct (miss up to 27)

  10. D

    54 of 90 correct (miss up to 36)

Each grade starts at its minimum percentage: A+ 97%, A 93%, A- 90%, B+ 87%, B 83%, B- 80%, C+ 77%, C 73%, C- 70%, D 60%.

How to calculate a grade out of 90

  1. Divide the score by the total78.5 ÷ 90 = 0.8722
  2. Multiply by 1000.8722 × 100 = 87.22%
  3. Read the letter grade87.22% → B+
Works for any score, including half points such as 88.5/90. Use the calculator above for instant results.

Out of 90 grade FAQ

How much is each question worth on a 90 question test?

Each question is worth 100 ÷ 90 = 1.11 percentage points, so every wrong answer lowers the grade by 1.11%. If your questions are worth different points, add up the points instead and divide by the total points possible.

How many questions can you miss on a 90 question test and still pass?

With a 60% pass mark you need at least 54 correct out of 90 (60%), so you can miss up to 36 questions and still pass. Some schools use 65% or 70% as the pass mark; you can change it in the test grader settings.

How many do you need for an A or a B out of 90?

An A (93% or higher) needs 84 correct out of 90, so you can miss 6. A B (83% or higher) needs 75 correct, so you can miss 15. On a 10-point scale, where an A starts at 90%, the numbers are a little more forgiving.