Summary
Convert a raw score into a percentage grade.
Calculation details
Total points must be greater than zero. Calculations retain raw JavaScript number precision; display values are rounded to at most six decimal places.
Formula
Percentage = score / total × 100.
Worked example
Grade Calculator example
45/50 is 90%.
How it works
Enter points earned and points possible. The percentage is score ÷ total × 100.
Frequently asked questions
How accurate is the Grade Calculator?
The calculation keeps raw numeric precision and rounds only the displayed result to at most six decimal places.
What should I do with an invalid result?
Check that every visible value is finite and that no required divisor is zero.