%
Grade Percentage Calculator
Enter marks obtained and total marks to get your percentage and corresponding letter grade instantly.
Percentage
84.00%
Letter grade
B
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
What does it do?＋
Converts marks scored out of a total into a percentage and a matching letter grade.
Can I change the grade boundaries?＋
It uses common letter-grade bands; interpret the letter against your school's own scale if it differs.
Is my data private?＋
Yes — everything is calculated in your browser.