Marks to Percentage Calculator
Convert your marks score to a percentage instantly.
Enter Your Marks
Formula Used
Percentage = (Marks Obtained ÷ Total Marks) × 100
Example: 78 out of 90 → (78 ÷ 90) × 100 = 86.67%
About This Calculator
This tool converts any raw marks score to a percentage by dividing the marks obtained by the total maximum marks, then multiplying by 100. It also shows the equivalent letter grade and 4.0 GPA estimate.
For multiple subjects, use our Grade Percentage Calculator which handles subject-by-subject entry and overall percentages.
Common Conversions
| Marks (out of 100) | Percentage |
|---|---|
| 100/100 | 100% |
| 90/100 | 90% |
| 80/100 | 80% |
| 75/100 | 75% |
| 70/100 | 70% |
| 60/100 | 60% |
| 50/100 | 50% |
| 40/100 | 40% |