Marks Percentage Calculator
Add your subjects, enter marks obtained and total marks to get your overall percentage and grade.
Grade scale: O ≥90% | A+ 80–89 | A 70–79 | B+ 60–69 | B 50–59 | C 40–49 | F <40
How to calculate percentage of marks
To find the percentage of marks, divide the marks obtained by the total (maximum) marks and multiply by 100. This works for a single subject or for your combined total across several subjects.
Here are a few worked examples showing how to find the percentage of marks:
- 425 out of 500: (425 ÷ 500) × 100 = 85%
- 380 out of 600: (380 ÷ 600) × 100 = 63.33%
- 5 subjects, 78 + 65 + 90 + 72 + 88 = 393 out of 500: (393 ÷ 500) × 100 = 78.6%
Grade Scale Used
This calculator uses the grading scale common in Indian universities and boards.
| Percentage | Grade | Description |
|---|---|---|
| 90 – 100 | O | Outstanding |
| 80 – 89 | A+ | Excellent |
| 70 – 79 | A | Very Good |
| 60 – 69 | B+ | Good |
| 50 – 59 | B | Above Average |
| 40 – 49 | C | Average |
| Below 40 | F | Fail |
Frequently asked questions
How is overall percentage calculated from multiple subjects?
Overall percentage = (Sum of all marks obtained) ÷ (Sum of all total marks) × 100. This is a simple aggregate, not an average of individual subject percentages. For example, if you scored 340 out of 500 across 5 subjects, your percentage is 340÷500×100 = 68%.
What is the passing percentage in India?
For CBSE, the minimum passing marks is 33% per subject and overall. For most state boards, it is 35% per subject. For university exams, it is typically 40% per subject and 50% overall for passing with first class. Check your board or university's official rules.
What is an O grade?
O (Outstanding) grade is awarded for 90% and above in the UGC-mandated 10-point grading system adopted by most Indian universities post-2011. It corresponds to a grade point of 10. Some universities use A+ for this range instead of O.
Can a student pass overall but fail a subject?
Generally no. Most universities require a minimum passing mark in each subject individually, regardless of overall percentage. Failing even one subject typically results in a compartment or supplementary exam requirement.
How do I calculate percentage if subjects have different maximum marks?
Add all marks obtained across subjects and divide by the sum of all maximum marks, then multiply by 100. For example: 85/100 + 72/75 + 45/50 → obtained = 202, total = 225 → 202/225 × 100 = 89.8%.
How do I calculate the percentage of marks?
Divide the marks you obtained by the total marks and multiply by 100. The formula is Percentage = (Marks Obtained ÷ Total Marks) × 100. For example, 425 out of 500 is (425 ÷ 500) × 100 = 85%.
How do I find percentage of marks for one subject?
Use the same formula on a single subject. If you scored 72 out of 80, the percentage is (72 ÷ 80) × 100 = 90%. Enter that subject with its marks obtained and total marks in the calculator above to confirm.
What is 380 out of 600 as a percentage?
380 out of 600 is (380 ÷ 600) × 100 = 63.33%. Divide the marks obtained by the total marks and multiply by 100 to convert any marks to a percentage.