Convert between percentage and GPA based on the Nepali grading system
| Percentage | GPA | Grade | Description |
|---|---|---|---|
| Above 90 | 4.0 | A+ | Outstanding |
| 80 to below 90 | 3.6 | A | Excellent |
| 70 to below 80 | 3.2 | B+ | Very Good |
| 60 to below 70 | 2.8 | B | Good |
| 50 to below 60 | 2.4 | C+ | Satisfactory |
| 40 to below 50 | 2.0 | C | Acceptable |
| 35 to below 40 | 1.6 | D | Basic |
| Below 35 | - | NG | Ungraded |