Grade Score Converter
Grade Calculator (Points Out of 50, 75, 100)
Quickly convert any test or assignment score into an exact percentage and letter grade, with optional late penalty deduction.
42 out of 50 is:
84%
Letter Grade: B
Optional: Calculate with Late Work Penalty
Days Late
Penalty per Day (%)
Score Lookup Chart (Out of 50)
Quickly look up percentages and letter grades for scores out of 50.
| Points Earned | Fraction | Percentage | Letter Grade |
|---|---|---|---|
| 50 pts | 50/50 | 100% | A+ |
| 49 pts | 49/50 | 98% | A+ |
| 48 pts | 48/50 | 96% | A |
| 47 pts | 47/50 | 94% | A |
| 46 pts | 46/50 | 92% | A- |
| 45 pts | 45/50 | 90% | A- |
| 44 pts | 44/50 | 88% | B+ |
| 43 pts | 43/50 | 86% | B |
| 42 pts | 42/50 | 84% | B |
| 41 pts | 41/50 | 82% | B- |
| 40 pts | 40/50 | 80% | B- |
| 39 pts | 39/50 | 78% | C+ |
| 38 pts | 38/50 | 76% | C |
| 37 pts | 37/50 | 74% | C |
| 36 pts | 36/50 | 72% | C- |
| 35 pts | 35/50 | 70% | C- |
| 34 pts | 34/50 | 68% | D+ |
| 33 pts | 33/50 | 66% | D |
| 32 pts | 32/50 | 64% | D |
| 31 pts | 31/50 | 62% | D- |
| 30 pts | 30/50 | 60% | D- |
| 29 pts | 29/50 | 58% | F |
| 28 pts | 28/50 | 56% | F |
| 27 pts | 27/50 | 54% | F |
| 26 pts | 26/50 | 52% | F |
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Frequently Asked Questions
How do you calculate a grade if an assignment has extra credit?
If extra credit points are earned (for instance 53 out of 50), the percentage simply scales above 100% (53 / 50 × 100 = 106%, A+).