Enter your points earned and total points to instantly see your percentage score, letter grade, and GPA equivalent. Works for assignments, quizzes, and exams.
Simple mode for a single score, or multi-assignment mode to calculate your overall course grade.
Grade Percentage Calculator
Convert points to percentage, letter grade, and GPA
Your score on the assignment
Maximum possible points
Percentage
—
score
Letter Grade
—
US scale
GPA Equivalent
—
out of 4.0
Score0%
Assignment
Earned
Total
Overall %
—
combined score
Letter Grade
—
US scale
GPA
—
out of 4.0
Overall Score0%
Percentage to Grade Scale
This table shows how percentage scores map to letter grades and GPA values. Use this as a quick reference to understand your academic performance.
Percentage
Letter Grade
GPA Value
93–100%
A
4.0
90–92%
A-
3.7
87–89%
B+
3.3
83–86%
B
3.0
80–82%
B-
2.7
77–79%
C+
2.3
73–76%
C
2.0
70–72%
C-
1.7
60–69%
D
1.0
Below 60%
F
0.0
Grade Percentage FAQ
Common questions about grade percentage calculation.
Divide your points earned by the total possible points, then multiply by 100. For example, if you scored 45 out of 50, your percentage is (45 ÷ 50) × 100 = 90%. This calculator does all of that automatically.
An A is typically 93–100%, and an A- is 90–92%. These thresholds can vary slightly by school or professor, but the standard US grading scale used by most colleges and high schools follows this range.
Yes — switch to "Multiple Assignments" mode to add all your graded assignments. The calculator combines all your points and shows your overall percentage and letter grade for the course.
This calculator uses the most common US standard grading scale. Some schools use slightly different cutoffs — always check your syllabus or school grading policy if you need precise results for your institution.
45 out of 50 is 90%, which is an A- on the standard US grading scale.
Calculation: (45 ÷ 50) × 100 = 90%.
45 out of 100 is 45%, which is an F on the standard US grading scale.
A passing grade requires at least 60%.
32 out of 35 is 91.4%, which is an A- on the standard US grading scale.
Calculation: (32 ÷ 35) × 100 = 91.43%.
A 77% is a C+ on the standard US grading scale (2.3 GPA points).
The C+ range is 77–79%.
