Test Grade Calculator from Points
Convert points earned into a percent and letter grade.
Test Score Inputs
Enter points from a quiz, exam, assignment, or worksheet.
The score received, including extra credit if any.
The maximum points possible before extra credit.
Grading Context
Letter grades are estimates unless your class scale matches this one.
The percentage calculation is universal, but letter-grade thresholds vary by class, teacher, district, and institution. Use your syllabus scale when it differs.
Your Test Grade
Percentage score, letter grade, and points summary.
Score Breakdown
How The Test Grade Calculator Works
A score percentage is earned points divided by total points.
Divide points
Points earned are divided by total possible points to get the raw score ratio.
Convert to percent
The raw ratio is multiplied by 100 to show the familiar percentage grade.
Estimate letter grade
The percentage is mapped to a common letter-grade scale for quick context.
Test Grade Calculator FAQ
Common questions about point scores, percentages, and letter grades.
How is a test grade percentage calculated?
Divide points earned by total points possible, then multiply by 100 to get the percentage score.
Can points earned be higher than total points?
Yes. The calculator treats scores above the total as extra credit and shows the percent above 100%.
Which letter grade scale is used?
This page uses a common plus/minus letter-grade scale. Your school or teacher may use different thresholds.