Grade Percentage Calculator
Turn your marks into a percentage and letter grade. Enter the marks earned and the total below.
Marks earned out of total
Percentage
84%
Letter grade
B
How to calculate a grade percentage
Divide the marks you earned by the total marks available, then multiply by 100: grade % = (earned ÷ total) × 100.
Example: 42 out of 50 is (42 ÷ 50) × 100 = 84%.
Common letter-grade scale
| Percentage | Letter grade |
|---|---|
| 90 – 100% | A |
| 80 – 89% | B |
| 70 – 79% | C |
| 60 – 69% | D |
| Below 60% | F |
A typical US-style scale; your school's scale may differ.
Frequently asked questions
How do I calculate my grade as a percentage?
Divide your marks earned by the total marks, then multiply by 100. Scoring 42 out of 50 gives 84%.
What letter grade is 84%?
On a typical scale, 84% is a B (80–89%). Always check your own institution's grading scale, as cut-offs vary.