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 EarnedFractionPercentageLetter Grade
50 pts50/50100%A+
49 pts49/5098%A+
48 pts48/5096%A
47 pts47/5094%A
46 pts46/5092%A-
45 pts45/5090%A-
44 pts44/5088%B+
43 pts43/5086%B
42 pts42/5084%B
41 pts41/5082%B-
40 pts40/5080%B-
39 pts39/5078%C+
38 pts38/5076%C
37 pts37/5074%C
36 pts36/5072%C-
35 pts35/5070%C-
34 pts34/5068%D+
33 pts33/5066%D
32 pts32/5064%D
31 pts31/5062%D-
30 pts30/5060%D-
29 pts29/5058%F
28 pts28/5056%F
27 pts27/5054%F
26 pts26/5052%F

Manage Full Class Grading & Late Work

AssignClear tracks assignments, calculates grade impacts, and creates student recovery lists in seconds.

Get Started Free

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+).