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Test Grade Calculator

Calculate a test score percentage and letter grade from points earned out of total points possible.

Test Grade Calculator

Score Percentage
84.0%
Letter Grade
B
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Calculation Guide & Reference

Test Grade & Score Percentage Mathematics

Test grade calculator computes a test score percentage and letter grade from points earned out of total points possible.

Standardized Mathematical Formula
Score % = (Points Earned ÷ Total Points) × 100

A test score percentage is simply the fraction of total points earned, converted to a percentage — that percentage then maps to a letter grade using a standard grading scale.

Variables:
Points Earned:Number of points or questions answered correctly
Total Points:Total points or questions possible
How It Works (Step-by-Step)
  • 1Enter the points earned and total points possible.
  • 2View the score percentage and corresponding letter grade.
Real-World Numerical Example
42 out of 50 Points

A student scores 42 out of 50 points on a test.

•Score: (42 ÷ 50) × 100 = 84%.
•84% falls in the B range (83-86%).
Result: The test score is 84%, a B letter grade.

Frequently Asked Questions (FAQ)

A standard 10-point scale: A (93-100%), A- (90-92%), B+ (87-89%), B (83-86%), and so on down to F (below 60%) — many schools use this convention, though some vary the exact cutoffs.

This calculates a single test's score percentage and letter grade; the GPA calculator combines multiple course grades (already converted to grade points) weighted by credit hours into an overall GPA.

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