Exam / Grade Percentage Calculator

Quickly calculate your exam or assignment score as a percentage. Just enter the points you earned and the total possible points — we’ll handle the math!

Examples

Example 1:

You scored 45 out of 50 on a test:

(45 / 50) × 100 = 90% → That’s an A!

Example 2:

Assignment score: 72 out of 80

(72 / 80) × 100 = 90% → Also an A!

Grade Scale (U.S. Letter)

Percentage	Letter Grade
90% – 100%	A
80% – 89%	B
70% – 79%	C
60% – 69%	D
Below 60%	F

Tips

• Double-check your earned and total points for accuracy
• Use this for quizzes, exams, homework, and lab scores
• Track your progress across multiple assignments