28 out of 45 as a percentage is 62.22% (D)
A 28/45 is 62.22%, which is a D on the standard grading scale (a D− with plus and minus grades). That is a 1.0 GPA, and you got 17 wrong.
- Percentage
- 62.22%rounds to 62%
- Letter grade
- Dstandard A–F
- Plus and minus
- D−0.7 GPA
- 7-point scale
- F0.0 GPA
- GPA
- 1.0on a 4.0 scale
What a 28/45 grade means
- 28 correct and 17 wrong on a 45-question test.
- Each question is worth 2.22%, so every wrong answer costs 2.22 percentage points.
- Any score from 27 to 31 out of 45 is a D.
- 4 more correct (32 out of 45, 71.11%) would make it a C.
- It passes a 60% passing score, which needs 27 out of 45.
How to work it out
- Divide the score by the total: 28 ÷ 45 = 0.6222.
- Multiply by 100: 0.6222 × 100 = 62.22%.
- Find 62.22% on the grading scale: A is 90% and up, B 80%, C 70% and D 60%, so it is a D.
Rounded to a whole number this is 62%, and the letter grade stays the same.
28/45 on three grading scales
| Scale | Cutoffs | Letter | GPA |
|---|---|---|---|
| Standard A–F | A 90, B 80, C 70, D 60 | D | 1.0 |
| Plus and minus | A 93, A− 90, B+ 87, B 83, B− 80 … | D− | 0.7 |
| 7-point | A 93, B 85, C 77, D 70 | F | 0.0 |
Which scale applies depends on your school or teacher; the syllabus usually says. The grading scales guide compares them.
Grade chart for a 45-question test
Every possible score out of 45, with 28 highlighted. Pick any score to see its page.
| Correct | Wrong | Percentage | Grade |
|---|---|---|---|
| 45 | 0 | 100% | A |
| 44 | 1 | 97.8% | A |
| 43 | 2 | 95.6% | A |
| 42 | 3 | 93.3% | A |
| 41 | 4 | 91.1% | A |
| 40 | 5 | 88.9% | B |
| 39 | 6 | 86.7% | B |
| 38 | 7 | 84.4% | B |
| 37 | 8 | 82.2% | B |
| 36 | 9 | 80% | B |
| 35 | 10 | 77.8% | C |
| 34 | 11 | 75.6% | C |
| 33 | 12 | 73.3% | C |
| 32 | 13 | 71.1% | C |
| 31 | 14 | 68.9% | D |
| 30 | 15 | 66.7% | D |
| 29 | 16 | 64.4% | D |
| 28 | 17 | 62.2% | D |
| 27 | 18 | 60% | D |
| 26 | 19 | 57.8% | F |
| 25 | 20 | 55.6% | F |
| 24 | 21 | 53.3% | F |
| 23 | 22 | 51.1% | F |
| 22 | 23 | 48.9% | F |
| 21 | 24 | 46.7% | F |
| 20 | 25 | 44.4% | F |
| 19 | 26 | 42.2% | F |
| 18 | 27 | 40% | F |
| 17 | 28 | 37.8% | F |
| 16 | 29 | 35.6% | F |
| 15 | 30 | 33.3% | F |
| 14 | 31 | 31.1% | F |
| 13 | 32 | 28.9% | F |
| 12 | 33 | 26.7% | F |
| 11 | 34 | 24.4% | F |
| 10 | 35 | 22.2% | F |
| 9 | 36 | 20% | F |
| 8 | 37 | 17.8% | F |
| 7 | 38 | 15.6% | F |
| 6 | 39 | 13.3% | F |
| 5 | 40 | 11.1% | F |
| 4 | 41 | 8.9% | F |
| 3 | 42 | 6.7% | F |
| 2 | 43 | 4.4% | F |
| 1 | 44 | 2.2% | F |
| 0 | 45 | 0% | F |
Questions about 28 out of 45
Is 28 out of 45 a good grade?
It is a D. Most US schools count 60% or more as passing, but it is below average. On a stricter 7-point scale it would be an F.
What GPA is 28 out of 45?
1.0 on a 4.0 scale as a D, or 0.7 if your school uses plus and minus grades (D−).
What about 28.5 out of 45?
With a half point, 28.5 out of 45 is 63.33%: a D on the standard scale and a D with plus and minus grades.
How many can you get wrong on a 45-question test and still pass?
18 at most with a 60% passing score: you need 27 out of 45. With a 70% passing score you need 32 out of 45.