Calculate grade percentage
Calculate a grade percentage from earned and possible marks.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Enter earned marks between zero and the positive possible marks. Percentage = earned ÷ possible × 100.
Limits and behavior
Results use floating-point arithmetic, rounded to 12 significant digits. Inputs are limited to an absolute value of 10^12 and results to 10^15. No letter grade or pass/fail cutoff is inferred. Extra-credit scores above possible marks are rejected. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Convert marks to a percentage
Enter earned and possible marks to calculate the percentage score.
Does a percentage automatically determine a letter grade?
No. Letter-grade cutoffs differ by institution and course.
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