Grading chart · 28 questions

28 Question Grading Scale: Out of 28 Grading Chart

24 out of 28 is 85.71%, which is a B on the standard grading scale. Below is every score from 28/28 down to 0/28 with its percentage, letter grade and number wrong.

Out of 28 grade calculator

24/28 is

85.71%
B Passing
Wrong answers
4
Each question
3.57%
Needed to pass
17/28

Out of 28 grading chart

Every possible score on a 28-question test. Each question is worth 3.57%.

Grading chart for a 28-question test: every score with its percentage and letter grade
Score Wrong Percentage Grade Status
28/28 0 100% A+ Passing
27/28 1 96.43% A Passing
26/28 2 92.86% A- Passing
25/28 3 89.29% B+ Passing
24/28 4 85.71% B Passing
23/28 5 82.14% B- Passing
22/28 6 78.57% C+ Passing
21/28 7 75% C Passing
20/28 8 71.43% C- Passing
19/28 9 67.86% D Passing
18/28 10 64.29% D Passing
17/28 11 60.71% D Passing
16/28 12 57.14% F Not passing
15/28 13 53.57% F Not passing
14/28 14 50% F Not passing
13/28 15 46.43% F Not passing
12/28 16 42.86% F Not passing
11/28 17 39.29% F Not passing
10/28 18 35.71% F Not passing
9/28 19 32.14% F Not passing
8/28 20 28.57% F Not passing
7/28 21 25% F Not passing
6/28 22 21.43% F Not passing
5/28 23 17.86% F Not passing
4/28 24 14.29% F Not passing
3/28 25 10.71% F Not passing
2/28 26 7.14% F Not passing
1/28 27 3.57% F Not passing
0/28 28 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 28-question test

Twenty-eight-question tests are common for unit tests with four sections of seven questions.

One wrong answer gives 96.43% (A) and two wrong answers give 92.86% (A-). To pass with 60%, a student needs 17 correct and can miss up to 11.

With 28 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.

Section scores out of 7 are easy to compare across the four sections.

What you need for each grade out of 28

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

  1. A+

    28 of 28 correct (miss up to 0)

  2. A

    27 of 28 correct (miss up to 1)

  3. A-

    26 of 28 correct (miss up to 2)

  4. B+

    25 of 28 correct (miss up to 3)

  5. B

    24 of 28 correct (miss up to 4)

  6. B-

    23 of 28 correct (miss up to 5)

  7. C+

    22 of 28 correct (miss up to 6)

  8. C

    21 of 28 correct (miss up to 7)

  9. C-

    20 of 28 correct (miss up to 8)

  10. D

    17 of 28 correct (miss up to 11)

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 28

  1. Divide the score by the total24 ÷ 28 = 0.8571
  2. Multiply by 1000.8571 × 100 = 85.71%
  3. Read the letter grade85.71% → B
Works for any score, including half points such as 26.5/28. Use the calculator above for instant results.

Out of 28 grade FAQ

What is 24 out of 28 as a grade?

24 out of 28 is 85.71%, a B on the standard US grading scale. That means 4 wrong answers, and it is a passing score.

What is 26 out of 28 as a grade?

26 out of 28 is 92.86%, an A- on the standard US grading scale. That means 2 wrong answers, and it is a passing score.

What is 25 out of 28 as a grade?

25 out of 28 is 89.29%, a B+ on the standard US grading scale. That means 3 wrong answers, and it is a passing score.

What is 18 out of 28 as a grade?

18 out of 28 is 64.29%, a D on the standard US grading scale. That means 10 wrong answers, and it is a passing score.

How much is each question worth on a 28 question test?

Each question is worth 100 ÷ 28 = 3.57 percentage points, so every wrong answer lowers the grade by 3.57%. 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 28 question test and still pass?

With a 60% pass mark you need at least 17 correct out of 28 (60.71%), so you can miss up to 11 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 28?

An A (93% or higher) needs 27 correct out of 28, so you can miss 1. A B (83% or higher) needs 24 correct, so you can miss 4. On a 10-point scale, where an A starts at 90%, the numbers are a little more forgiving.