Marks Percentage Calculator
Percentage and an indicative grade from marks obtained and total marks.
Your result appears here
Fill in the fields on the left and press Calculate. The answer, the breakdown and a copy button all land in this card.
How it is calculated
Percentage = marks obtained ÷ total marks × 100
The letter grade shown uses a common default scale — always check your school or university's own grading bands.
Worked example
450 out of 500 marks is 90%.
Questions people ask
Both. Add up all subjects' marks and totals for an overall percentage, or use one subject's figures on their own.
Grading bands vary by board and institution. The grade here is an indicative default, not a substitute for your school's official scale.