The free grade calculator lets you punch in wrong answers one at a time and see the grade update as you go.
Your Score
75%
Passing
30 / 40 = 0.75 × 100 = 75%
Each question is worth 2.50% of the total grade.
| Correct | Wrong | Percentage | Grade |
|---|---|---|---|
| 40 | 0 | 100% | A+ |
| 39 | 1 | 98% | A+ |
| 38 | 2 | 95% | A |
| 37 | 3 | 93% | A- |
| 36 | 4 | 90% | A- |
| 35 | 5 | 88% | B+ |
| 34 | 6 | 85% | B |
| 33 | 7 | 83% | B- |
| 32 | 8 | 80% | B- |
| 31 | 9 | 78% | C+ |
| 30 | 10 | 75% | C |
| 29 | 11 | 73% | C- |
| 28 | 12 | 70% | C- |
| 27 | 13 | 68% | D+ |
| 26 | 14 | 65% | D |
| 25 | 15 | 63% | D- |
| 24 | 16 | 60% | D- |
| 23 | 17 | 57% | F |
| 22 | 18 | 55% | F |
| 21 | 19 | 53% | F |
| 20 | 20 | 50% | F |
| 19 | 21 | 48% | F |
| 18 | 22 | 45% | F |
| 17 | 23 | 43% | F |
| 16 | 24 | 40% | F |
| 15 | 25 | 38% | F |
| 14 | 26 | 35% | F |
| 13 | 27 | 33% | F |
| 12 | 28 | 30% | F |
| 11 | 29 | 28% | F |
| 10 | 30 | 25% | F |
| 9 | 31 | 23% | F |
| 8 | 32 | 20% | F |
| 7 | 33 | 18% | F |
| 6 | 34 | 15% | F |
| 5 | 35 | 13% | F |
| 4 | 36 | 10% | F |
| 3 | 37 | 8% | F |
| 2 | 38 | 5% | F |
| 1 | 39 | 3% | F |
| 0 | 40 | 0% | F |
Getting 30 correct out of 40 questions gives you a score of 75%, which is a C. You got 10 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 1 more correct answer (31 out of 40).
30 out of 40 is 75%. Divide 30 by 40 and multiply by 100.
30 out of 40 is a C on the standard grading scale.
Yes. 30 out of 40 is 75%, which is above the typical 60% passing threshold.
75% 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.