What Grade Is 8 out of 15? (8/15)
8 out of 15 (8/15) is 53.33%, which rounds to 53%: an F on all three common scales. That is 7 wrong answers and 0.0 GPA points on the 4.0 scale.
- Percentage
- 53.33%
- rounds to 53%
- 10 point letter
- F
- F with +/-, F on 7 point
- Wrong
- 7
- of 15 questions
- 4.0 GPA
- 0.0
- for an F
One more right, one fewer: 9/15 and 7/15
One more right makes it 9 out of 15, a 60%: a D on the 10 point scale and a D- with pluses and minuses. One fewer is 7 out of 15, a 46.67%, the same F. Each question is worth 6.67 percentage points.
The next letter up with pluses and minuses is a D- at 9/15 (60%), 1 more right answer away. That is also a D on the 10 point scale.
Right answers needed for each letter out of 15
| Letter | Percent | Right | From 8/15 |
|---|---|---|---|
| A | 93 to 100 | 14 or more | 6 more right |
| B | 83 to under 87 | 13 or more | 5 more right |
| B- | 80 to under 83 | 12 or more | 4 more right |
| C | 73 to under 77 | 11 or more | 3 more right |
| D | 63 to under 67 | 10 or more | 2 more right |
| D- | 60 to under 63 | 9 or more | 1 more right |
| F | below 60 | 8 or fewer | your score |
Plus and minus scale; the 10 point letter is the plain letter. A-, B+, C+, C- and D+ cannot happen with whole scores out of 15.
53.33% on other test lengths
8/15 is exactly the same grade as 16 out of 30 and 32 out of 60: 53.33%, an F.
Is 8 out of 15 passing?
Not where passing starts at 60%: that takes 9 right out of 15, and 8/15 is 1 question short. Where the line is 70%, as on the 7 point scale, it needs 11 right, 3 more right answers. Whether a D passes the class is a separate rule, covered in the passing grade guide.
Out of 15 grade chart with 8/15 marked
| Score | Percent | 10 pt | +/- | 7 pt |
|---|---|---|---|---|
| 15/15 | 100% | A | A | A |
| 14/15 | 93.33% | A | A | A |
| 13/15 | 86.67% | B | B | B |
| 12/15 | 80% | B | B- | C |
| 11/15 | 73.33% | C | C | D |
| 10/15 | 66.67% | D | D | F |
| 9/15 | 60% | D | D- | F |
| 8/15 | 53.33% | F | F | F |
| 7/15 | 46.67% | F | F | F |
| 6/15 | 40% | F | F | F |
| 5/15 | 33.33% | F | F | F |
| 4/15 | 26.67% | F | F | F |
| 3/15 | 20% | F | F | F |
| 2/15 | 13.33% | F | F | F |
| 1/15 | 6.67% | F | F | F |
| 0/15 | 0% | F | F | F |
Whole scores; the printable out of 15 chart adds half points, a lookup and a CSV download.
How to calculate 8 out of 15 as a percentage
Divide the number right by the number of questions, multiply by 100, then find the band on your school's scale. CurveFox reads the letter from the exact percent, the same rule as the grading scale chart.
Next step: put this test into your class grade with the grade calculator, see what the final needs with the final grade calculator, or curve a whole class with the grade curve calculator.
8/15 as a percent: worked example
You get 8 right on a 15 question test. What is the percent and the letter?
- 8 / 15 = 0.5333
- 0.5333 x 100 = 53.33%, 53% rounded to a whole percent
- 53.33 is an F on all three scales (below 60 with pluses and minuses)
8/15 is 53.33%: an F on all three common scales.
Questions and answers
Is an 8 out of 15 a good grade?
53.33% is a failing score on the 10 point scale (an F). An A takes 14 right, 6 more right answers than 8. It does not pass on the common scales.
What do I need for the next letter after 8/15?
9 right out of 15 (60%) is a D- with pluses and minuses, 1 more question than 8. That is also a D on the 10 point scale.
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