Grade Calculator: Turn Marks into a Percentage and Letter Grade
Enter the marks you scored and the maximum marks. Pick a grading scale to see your letter grade, grade points, and how many more marks you need for the next grade.
Estimates only. Check important results before you rely on them.
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From related categoriesHow to use this calculator
- Enter your marks and the total marks.
- Choose the grading scale.
- Read the grade and percentage at the top.
- See how many more marks you need for the next grade.
The formula
Worked example
72 out of 90 is 80%. On the US scale that is a B (3.0 points). Reaching 90% needs 81 marks, which is 9 more.
Understanding your result
The bar shows where you sit between grade boundaries. The "to reach" line shows the exact extra marks for the next grade.
When to use it
- Check a result before the mark sheet arrives.
- Set a target for the next exam.
- Compare grading scales.
Assumptions and limits
Boundaries here are common ones (US: 90, 80, 70, 60; Indian: 90, 80, 70, 60, 55, 50, 40). Your school or university may use different cut-offs.
Frequently asked questions
How do I calculate my percentage?
Divide marks obtained by total marks and multiply by 100.
What grade is 80%?
On the US scale that is a B, and on the Indian 10-point scale an A+.
What are the Indian 10-point grades?
O, A+, A, B+, B, C, P and F, with 10 down to 0 points.
Can marks be above the total?
No. The calculator will show an error.
Will my school use the same cut-offs?
Not always. Treat these as common defaults and check your official scheme.