What Grade Is 24 out of 30? (24/30)
24 out of 30 (24/30) is 80%: a B on the 10 point scale, a B- with pluses and minuses and a C on the 7 point scale. That is 6 wrong answers and 2.7 GPA points on the 4.0 scale.
- Percentage
- 80%
- 24 / 30 x 100
- 10 point letter
- B
- B- with +/-, C on 7 point
- Wrong
- 6
- of 30 questions
- 4.0 GPA
- 2.7
- for a B-
One more right, one fewer: 25/30 and 23/30
One more right makes it 25 out of 30, an 83.33%: still a B on the 10 point scale. One fewer is 23 out of 30, a 76.67%, a C. Each question is worth 3.33 percentage points.
The next letter up with pluses and minuses is a B at 25/30 (83.33%), 1 more right answer away. On the 10 point scale the next step is an A at 27/30, 3 questions away.
Right answers needed for each letter out of 30
| Letter | Percent | Right | From 24/30 |
|---|---|---|---|
| A | 93 to 100 | 28 or more | 4 more right |
| A- | 90 to under 93 | 27 or more | 3 more right |
| B | 83 to under 87 | 25 or more | 1 more right |
| B- | 80 to under 83 | 24 or more | your score |
| C | 73 to under 77 | 22 or more | 1 fewer |
| C- | 70 to under 73 | 21 or more | 3 fewer |
| D | 63 to under 67 | 19 or more | 4 fewer |
| D- | 60 to under 63 | 18 or more | 6 fewer |
| F | below 60 | 17 or fewer | 7 fewer |
Plus and minus scale; the 10 point letter is the plain letter. B+, C+ and D+ cannot happen with whole scores out of 30.
80% on other test lengths
24/30 is exactly the same grade as 8 out of 10, 12 out of 15, 16 out of 20, 20 out of 25, 32 out of 40, 40 out of 50 and 48 out of 60: 80%, a B.
Is 24 out of 30 passing?
Yes. Where passing starts at 60%, which is 18 right out of 30, 24/30 clears it by 6 questions. It also passes where the line is 70% (21 right), as on the 7 point scale. Whether a D passes the class is a separate rule, covered in the passing grade guide.
Out of 30 grade chart with 24/30 marked
| Score | Percent | 10 pt | +/- | 7 pt |
|---|---|---|---|---|
| 30/30 | 100% | A | A | A |
| 29/30 | 96.67% | A | A | A |
| 28/30 | 93.33% | A | A | A |
| 27/30 | 90% | A | A- | B |
| 26/30 | 86.67% | B | B | B |
| 25/30 | 83.33% | B | B | C |
| 24/30 | 80% | B | B- | C |
| 23/30 | 76.67% | C | C | C |
| 22/30 | 73.33% | C | C | D |
| 21/30 | 70% | C | C- | D |
| 20/30 | 66.67% | D | D | F |
| 19/30 | 63.33% | D | D | F |
| 18/30 | 60% | D | D- | F |
| 17/30 | 56.67% | F | F | F |
| 16/30 | 53.33% | F | F | F |
| 15/30 | 50% | F | F | F |
| 14/30 | 46.67% | F | F | F |
| 13/30 | 43.33% | F | F | F |
| 12/30 | 40% | F | F | F |
| 11/30 | 36.67% | F | F | F |
| 10/30 | 33.33% | F | F | F |
| 9/30 | 30% | F | F | F |
| 8/30 | 26.67% | F | F | F |
| 7/30 | 23.33% | F | F | F |
| 6/30 | 20% | F | F | F |
| 5/30 | 16.67% | F | F | F |
| 4/30 | 13.33% | F | F | F |
| 3/30 | 10% | F | F | F |
| 2/30 | 6.67% | F | F | F |
| 1/30 | 3.33% | F | F | F |
| 0/30 | 0% | F | F | F |
Whole scores; the printable out of 30 chart adds a lookup and a CSV download.
How to calculate 24 out of 30 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.
24/30 as a percent: worked example
You get 24 right on a 30 question test. What is the percent and the letter?
- 24 / 30 = 0.8 (4/5 in lowest terms)
- 0.8 x 100 = 80%
- 80 is in 80 to under 90 on the 10 point scale (B), 80 to under 83 with pluses and minuses (B-) and 75 to under 85 on the 7 point scale (C)
24/30 is 80%: a B on the 10 point scale, a B- with pluses and minuses and a C on the 7 point scale.
Questions and answers
Is a 24 out of 30 a good grade?
80% is a good, above average score on the 10 point scale (a B). An A takes 27 right, 3 more right answers than 24. It passes on every common scale.
What do I need for the next letter after 24/30?
25 right out of 30 (83.33%) is a B with pluses and minuses, 1 more question than 24. For an A on the 10 point scale you need 27 right.
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