8 out of 13 as a percentage is 61.54% (D)
An 8/13 is 61.54%, 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 5 wrong.
- Percentage
- 61.54%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 an 8/13 grade means
- 8 correct and 5 wrong on a 13-question test.
- Each question is worth 7.69%, so every wrong answer costs 7.69 percentage points.
- Any score from 8 to 9 out of 13 is a D.
- 2 more correct (10 out of 13, 76.92%) would make it a C.
- It passes a 60% passing score, which needs 8 out of 13.
How to work it out
- Divide the score by the total: 8 ÷ 13 = 0.6154.
- Multiply by 100: 0.6154 × 100 = 61.54%.
- Find 61.54% 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.
8/13 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 13-question test
Every possible score out of 13, with 8 highlighted. Pick any score to see its page.
Questions about 8 out of 13
Is 8 out of 13 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 8 out of 13?
1.0 on a 4.0 scale as a D, or 0.7 if your school uses plus and minus grades (D−).
What about 8.5 out of 13?
With a half point, 8.5 out of 13 is 65.38%: a D on the standard scale and a D with plus and minus grades.
How many can you get wrong on a 13-question test and still pass?
5 at most with a 60% passing score: you need 8 out of 13. With a 70% passing score you need 10 out of 13.