Grade Percentage Calculator
Convert your score to a percentage and letter grade — live as you type.
What is% of?
is what % of?
is% of what?
Frequently Asked Questions
How do I calculate percentage of marks?
Divide your marks scored by the total marks, then multiply by 100. Formula: (Marks Scored ÷ Total Marks) × 100 = Percentage. Example: 420 out of 500 → (420 ÷ 500) × 100 = 84%. Enter your marks above for an instant result.
How do you calculate marks in percentage?
Use this formula: Percentage = (Marks Obtained ÷ Maximum Marks) × 100. For example, if you scored 87 out of 100, your percentage is 87%. If you scored 348 out of 400, your percentage is (348 ÷ 400) × 100 = 87%.
What is the percentage of 300 marks out of 600?
The percentage of 300 out of 600 is 50%. Formula: (300 ÷ 600) × 100 = 50%. Enter 300 in "Points scored" and 600 in "Total points" above to verify instantly.
What percentage is an A grade?
On a standard US grading scale: A+ = 97–100%, A = 93–96%, A− = 90–92%. A B+ is 87–89%, B is 83–86%, and B− is 80–82%. Below 60% is typically a failing grade (F).
How do I calculate my test percentage?
Enter the number of points you scored and the total points possible in the Grade calculator above. Example: 43 correct out of 50 questions → (43 ÷ 50) × 100 = 86%. The result appears instantly as you type.
How do I calculate average marks percentage across multiple subjects?
Add up all marks scored across all subjects, then divide by the total marks possible across all subjects, and multiply by 100. Example: English 85/100, Math 90/100, Science 78/100 → Total = 253/300 → (253 ÷ 300) × 100 = 84.33%. This gives a weighted average that accounts for equal-weight subjects.
What GPA does 85% correspond to?
On a standard 4.0 US GPA scale: 85% (B) ≈ 3.0 GPA, 87–89% (B+) ≈ 3.3 GPA, 90–92% (A−) ≈ 3.7 GPA, and 93%+ (A) ≈ 4.0 GPA. GPA scales can vary by institution.