Grading chart · 31 questions

31 Question Grading Scale: Out of 31 Grading Chart

27 out of 31 is 87.1%, which is a B+ on the standard grading scale. Below is every score from 31/31 down to 0/31 with its percentage, letter grade and number wrong.

Out of 31 grade calculator

27/31 is

87.1%
B+ Passing
Wrong answers
4
Each question
3.23%
Needed to pass
19/31

Out of 31 grading chart

Every possible score on a 31-question test. Each question is worth 3.23%.

Grading chart for a 31-question test: every score with its percentage and letter grade
Score Wrong Percentage Grade Status
31/31 0 100% A+ Passing
30/31 1 96.77% A Passing
29/31 2 93.55% A Passing
28/31 3 90.32% A- Passing
27/31 4 87.1% B+ Passing
26/31 5 83.87% B Passing
25/31 6 80.65% B- Passing
24/31 7 77.42% C+ Passing
23/31 8 74.19% C Passing
22/31 9 70.97% C- Passing
21/31 10 67.74% D Passing
20/31 11 64.52% D Passing
19/31 12 61.29% D Passing
18/31 13 58.06% F Not passing
17/31 14 54.84% F Not passing
16/31 15 51.61% F Not passing
15/31 16 48.39% F Not passing
14/31 17 45.16% F Not passing
13/31 18 41.94% F Not passing
12/31 19 38.71% F Not passing
11/31 20 35.48% F Not passing
10/31 21 32.26% F Not passing
9/31 22 29.03% F Not passing
8/31 23 25.81% F Not passing
7/31 24 22.58% F Not passing
6/31 25 19.35% F Not passing
5/31 26 16.13% F Not passing
4/31 27 12.9% F Not passing
3/31 28 9.68% F Not passing
2/31 29 6.45% F Not passing
1/31 30 3.23% F Not passing
0/31 31 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 31-question test

On a 31-question test each question is worth 3.23 percentage points. One wrong answer gives 96.77% (A) and two wrong answers give 93.55% (A). To pass with 60%, a student needs 19 correct and can miss up to 12.

With 31 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 31

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

  1. A+

    31 of 31 correct (miss up to 0)

  2. A

    29 of 31 correct (miss up to 2)

  3. A-

    28 of 31 correct (miss up to 3)

  4. B+

    27 of 31 correct (miss up to 4)

  5. B

    26 of 31 correct (miss up to 5)

  6. B-

    25 of 31 correct (miss up to 6)

  7. C+

    24 of 31 correct (miss up to 7)

  8. C

    23 of 31 correct (miss up to 8)

  9. C-

    22 of 31 correct (miss up to 9)

  10. D

    19 of 31 correct (miss up to 12)

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 31

  1. Divide the score by the total27 ÷ 31 = 0.871
  2. Multiply by 1000.871 × 100 = 87.1%
  3. Read the letter grade87.1% → B+
Works for any score, including half points such as 29.5/31. Use the calculator above for instant results.

Out of 31 grade FAQ

What is 27 out of 31 as a grade?

27 out of 31 is 87.1%, a B+ on the standard US grading scale. That means 4 wrong answers, and it is a passing score.

What is 24 out of 31 as a grade?

24 out of 31 is 77.42%, a C+ on the standard US grading scale. That means 7 wrong answers, and it is a passing score.

What is 11 out of 31 as a grade?

11 out of 31 is 35.48%, an F on the standard US grading scale. That means 20 wrong answers, and it is below the usual 60% pass mark.

What is 18 out of 31 as a grade?

18 out of 31 is 58.06%, an F on the standard US grading scale. That means 13 wrong answers, and it is below the usual 60% pass mark.

How much is each question worth on a 31 question test?

Each question is worth 100 ÷ 31 = 3.23 percentage points, so every wrong answer lowers the grade by 3.23%. 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 31 question test and still pass?

With a 60% pass mark you need at least 19 correct out of 31 (61.29%), so you can miss up to 12 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 31?

An A (93% or higher) needs 29 correct out of 31, so you can miss 2. A B (83% or higher) needs 26 correct, so you can miss 5. On a 10-point scale, where an A starts at 90%, the numbers are a little more forgiving.