The free grade calculator lets you punch in wrong answers one at a time and see the grade update as you go.
Your Score
70%
Passing
21 / 30 = 0.7 × 100 = 70%
Each question is worth 3.33% of the total grade.
| Correct | Wrong | Percentage | Grade |
|---|---|---|---|
| 30 | 0 | 100% | A+ |
| 29 | 1 | 97% | A+ |
| 28 | 2 | 93% | A- |
| 27 | 3 | 90% | A- |
| 26 | 4 | 87% | B+ |
| 25 | 5 | 83% | B- |
| 24 | 6 | 80% | B- |
| 23 | 7 | 77% | C+ |
| 22 | 8 | 73% | C- |
| 21 | 9 | 70% | C- |
| 20 | 10 | 67% | D+ |
| 19 | 11 | 63% | D- |
| 18 | 12 | 60% | D- |
| 17 | 13 | 57% | F |
| 16 | 14 | 53% | F |
| 15 | 15 | 50% | F |
| 14 | 16 | 47% | F |
| 13 | 17 | 43% | F |
| 12 | 18 | 40% | F |
| 11 | 19 | 37% | F |
| 10 | 20 | 33% | F |
| 9 | 21 | 30% | F |
| 8 | 22 | 27% | F |
| 7 | 23 | 23% | F |
| 6 | 24 | 20% | F |
| 5 | 25 | 17% | F |
| 4 | 26 | 13% | F |
| 3 | 27 | 10% | F |
| 2 | 28 | 7% | F |
| 1 | 29 | 3% | F |
| 0 | 30 | 0% | F |
Getting 21 correct out of 30 questions gives you a score of 70%, which is a C-. You got 9 questions wrong.
This is a passing grade. Most schools and teachers consider 60% or above to be passing.
To move up to a C+, you would need 2 more correct answers (23 out of 30).
21 out of 30 is 70%. Divide 21 by 30 and multiply by 100.
21 out of 30 is a C- on the standard grading scale.
Yes. 21 out of 30 is 70%, which is above the typical 60% passing threshold.
70% earns a C-. It's a passing grade, but most students aim for 80% or higher.
Use the Free Test Grade Calculator to generate your own charts and grade your assignments.