10 out of 15 as a Grade: Chart for a 15-Question Test
Quick answer: 10 out of 15 is 66.67%, a D. 12 out of 15 is 80%, a B-.
Each question on a 15-question test is worth 6.67%. You can miss up to 1 and keep an A- (90%).
Standard plus/minus scale. Last reviewed: October 2026.
Popular scores on a 15-question test
The scores people look up most, on the plus/minus scale and on a plain 10-point scale (A starts at 90%).
ezgradercalc.com · 15-question grading chart · standard plus/minus scale
EZ Grader Chart: Every Score on a 15-Question Test
Find the number correct in the first column and read the percentage and letter grade in the same row. Use this easy grader chart for a whole stack of papers with the same number of questions.
| Score | Wrong | Percentage | Letter |
|---|---|---|---|
| 15 out of 15 | 0 | 100% | A+ |
| 14 out of 15 | 1 | 93.33% | A |
| 13 out of 15 | 2 | 86.67% | B |
| 12 out of 15 | 3 | 80% | B- |
| 11 out of 15 | 4 | 73.33% | C |
| 10 out of 15 | 5 | 66.67% | D |
| 9 out of 15 | 6 | 60% | D- |
| 8 out of 15 | 7 | 53.33% | F |
| 7 out of 15 | 8 | 46.67% | F |
| 6 out of 15 | 9 | 40% | F |
| 5 out of 15 | 10 | 33.33% | F |
| 4 out of 15 | 11 | 26.67% | F |
| 3 out of 15 | 12 | 20% | F |
| 2 out of 15 | 13 | 13.33% | F |
| 1 out of 15 | 14 | 6.67% | F |
| 0 out of 15 | 15 | 0% | F |
Show the half-point chart for 15 questions
| Score | Wrong | Percentage | Letter |
|---|---|---|---|
| 15 out of 15 | 0 | 100% | A+ |
| 14.5 out of 15 | 0.5 | 96.67% | A |
| 14 out of 15 | 1 | 93.33% | A |
| 13.5 out of 15 | 1.5 | 90% | A- |
| 13 out of 15 | 2 | 86.67% | B |
| 12.5 out of 15 | 2.5 | 83.33% | B |
| 12 out of 15 | 3 | 80% | B- |
| 11.5 out of 15 | 3.5 | 76.67% | C |
| 11 out of 15 | 4 | 73.33% | C |
| 10.5 out of 15 | 4.5 | 70% | C- |
| 10 out of 15 | 5 | 66.67% | D |
| 9.5 out of 15 | 5.5 | 63.33% | D |
| 9 out of 15 | 6 | 60% | D- |
| 8.5 out of 15 | 6.5 | 56.67% | F |
| 8 out of 15 | 7 | 53.33% | F |
| 7.5 out of 15 | 7.5 | 50% | F |
| 7 out of 15 | 8 | 46.67% | F |
| 6.5 out of 15 | 8.5 | 43.33% | F |
| 6 out of 15 | 9 | 40% | F |
| 5.5 out of 15 | 9.5 | 36.67% | F |
| 5 out of 15 | 10 | 33.33% | F |
| 4.5 out of 15 | 10.5 | 30% | F |
| 4 out of 15 | 11 | 26.67% | F |
| 3.5 out of 15 | 11.5 | 23.33% | F |
| 3 out of 15 | 12 | 20% | F |
| 2.5 out of 15 | 12.5 | 16.67% | F |
| 2 out of 15 | 13 | 13.33% | F |
| 1.5 out of 15 | 13.5 | 10% | F |
| 1 out of 15 | 14 | 6.67% | F |
| 0.5 out of 15 | 14.5 | 3.33% | F |
| 0 out of 15 | 15 | 0% | F |
How many can you miss on a 15-question test?
The most wrong answers allowed for each grade. Each question is worth 6.67%.
| Grade | Minimum score | Correct needed | Most wrong allowed |
|---|---|---|---|
| A+ | 97% | 15 | 0 |
| A | 93% | 14 | 1 |
| A- | 90% | 14 | 1 |
| B+ | 87% | 14 | 1 |
| B | 83% | 13 | 2 |
| B- | 80% | 12 | 3 |
| C+ | 77% | 12 | 3 |
| C | 73% | 11 | 4 |
| C- | 70% | 11 | 4 |
| D+ | 67% | 11 | 4 |
| D | 63% | 10 | 5 |
| D- | 60% | 9 | 6 |
Your school may use different cutoffs. See the grading scale chart for the plus/minus, 10-point and 7-point scales.
Frequently asked questions about a 15-question test
What grade is 10 out of 15?
10 out of 15 is 66.67%, a D on the standard plus/minus scale. 10/15 means 10 correct and 5 wrong. A school that uses a 10-point scale without plus or minus would call it a D.
What is 12/15 as a grade?
12 out of 15 is 80%, a B-, with 3 wrong, on the standard plus/minus scale.
What is 13/15 as a grade?
13 out of 15 is 86.67%, a B, with 2 wrong, on the standard plus/minus scale.
What is 8/15 as a grade?
8 out of 15 is 53.33%, an F, with 7 wrong, on the standard plus/minus scale.
How many questions can I miss on a 15-question test and still get an A?
You can miss up to 1 and still earn an A- (90%), or up to 1 for an A (93%). For a B (83%) the limit is up to 2, for a C (73%) it is up to 4, and to stay at a passing D- (60%) it is up to 6.
How much is each question worth on a 15-question test?
Each question is worth 6.67% of the grade, so every wrong answer lowers the score by 6.67 percentage points.
What score passes on a 15-question test?
At a 60% pass mark you need 9 correct, which is 60%, a D- on the plus/minus scale. One fewer (8 out of 15) is 53.33%, an F. Some schools set a higher pass mark such as 70%, which needs 11 correct.
Can I give half points on a 15-question test?
Yes. Open the half-point chart on this page, or use the calculator and switch it to half points. For example, 10.5 out of 15 is 70%, a C-.
How do I print the 15-question chart?
Press Print / save as PDF above the chart. Only this chart is printed, and you can choose Save as PDF in the print window to get a file instead of paper.
What grading scale does this chart use?
The standard U.S. plus/minus scale: A at 93%, A- at 90%, B+ at 87%, B at 83%, B- at 80%, C+ at 77%, C at 73%, C- at 70%, D+ at 67%, D at 63% and D- at 60%. Schools set their own cutoffs, so if yours differ, read the percentage column and apply your own.
Other test sizes
- 8 questions
- 10 questions
- 12 questions
- 13 questions
- 14 questions
- 15 questions
- 16 questions
- 18 questions
- 20 questions
- 22 questions
- 24 questions
- 25 questions
- 30 questions
- 34 questions
- 40 questions
- 45 questions
- 50 questions
- 60 questions
- 100 questions
Different length? The easy grader calculator works for any number of questions, and the chart hub lists every size.