Academic calculator
Grade Percentage Calculator
A fast points-based grade calculator for assignments, quizzes and exams with a familiar US letter-grade reference scale.
Formula
percentage = points earned ÷ points possible × 100
Example
18 points out of 20 equals 90%, shown as A- on the default reference scale.
Useful for
- Assignment grades
- Quiz percentages
- Points-based grading
Questions
Can a score be above 100%?
Yes, if extra credit makes earned points exceed points possible.
Are letter cutoffs universal?
No. Use the percentage and compare it with your own grading scale.
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