The free grade calculator lets you punch in wrong answers one at a time and see the grade update as you go.
Your Score
64%
Passing
51 / 80 = 0.6375 × 100 = 64%
Each question is worth 1.25% of the total grade.
| Correct | Wrong | Percentage | Grade |
|---|---|---|---|
| 80 | 0 | 100% | A+ |
| 79 | 1 | 99% | A+ |
| 78 | 2 | 98% | A+ |
| 77 | 3 | 96% | A |
| 76 | 4 | 95% | A |
| 75 | 5 | 94% | A |
| 74 | 6 | 93% | A- |
| 73 | 7 | 91% | A- |
| 72 | 8 | 90% | A- |
| 71 | 9 | 89% | B+ |
| 70 | 10 | 88% | B+ |
| 69 | 11 | 86% | B |
| 68 | 12 | 85% | B |
| 67 | 13 | 84% | B |
| 66 | 14 | 83% | B- |
| 65 | 15 | 81% | B- |
| 64 | 16 | 80% | B- |
| 63 | 17 | 79% | C+ |
| 62 | 18 | 78% | C+ |
| 61 | 19 | 76% | C |
| 60 | 20 | 75% | C |
| 59 | 21 | 74% | C |
| 58 | 22 | 73% | C- |
| 57 | 23 | 71% | C- |
| 56 | 24 | 70% | C- |
| 55 | 25 | 69% | D+ |
| 54 | 26 | 68% | D+ |
| 53 | 27 | 66% | D |
| 52 | 28 | 65% | D |
| 51 | 29 | 64% | D |
| 50 | 30 | 63% | D- |
| 49 | 31 | 61% | D- |
| 48 | 32 | 60% | D- |
| 47 | 33 | 59% | F |
| 46 | 34 | 57% | F |
| 45 | 35 | 56% | F |
| 44 | 36 | 55% | F |
| 43 | 37 | 54% | F |
| 42 | 38 | 53% | F |
| 41 | 39 | 51% | F |
| 40 | 40 | 50% | F |
| 39 | 41 | 49% | F |
| 38 | 42 | 48% | F |
| 37 | 43 | 46% | F |
| 36 | 44 | 45% | F |
| 35 | 45 | 44% | F |
| 34 | 46 | 43% | F |
| 33 | 47 | 41% | F |
| 32 | 48 | 40% | F |
| 31 | 49 | 39% | F |
| 30 | 50 | 38% | F |
| 29 | 51 | 36% | F |
| 28 | 52 | 35% | F |
| 27 | 53 | 34% | F |
| 26 | 54 | 33% | F |
| 25 | 55 | 31% | F |
| 24 | 56 | 30% | F |
| 23 | 57 | 29% | F |
| 22 | 58 | 28% | F |
| 21 | 59 | 26% | F |
| 20 | 60 | 25% | F |
| 19 | 61 | 24% | F |
| 18 | 62 | 23% | F |
| 17 | 63 | 21% | F |
| 16 | 64 | 20% | F |
| 15 | 65 | 19% | F |
| 14 | 66 | 18% | F |
| 13 | 67 | 16% | F |
| 12 | 68 | 15% | F |
| 11 | 69 | 14% | F |
| 10 | 70 | 13% | F |
| 9 | 71 | 11% | F |
| 8 | 72 | 10% | F |
| 7 | 73 | 9% | F |
| 6 | 74 | 8% | F |
| 5 | 75 | 6% | F |
| 4 | 76 | 5% | F |
| 3 | 77 | 4% | F |
| 2 | 78 | 3% | F |
| 1 | 79 | 1% | F |
| 0 | 80 | 0% | F |
Getting 51 correct out of 80 questions gives you a score of 64%, which is a D. You got 29 questions wrong.
This is a passing grade. Most schools and teachers consider 60% or above to be passing.
To move up to a D+, you would need 3 more correct answers (54 out of 80).
51 out of 80 is 64%. Divide 51 by 80 and multiply by 100.
51 out of 80 is a D on the standard grading scale.
Yes. 51 out of 80 is 64%, which is above the typical 60% passing threshold.
64% earns a D. It's passing, but just barely. You'd want to study up for next time.
Use the Free Test Grade Calculator to generate your own charts and grade your assignments.