| ECTS grades | Meaning | Bulgarian scale | Bulgarian Meaning |
| A | (excellent) | 6.00 | Otlichen (excellent) |
| B | (very good) | 5.00 | Mnogo dobyr (very good) |
| C | (good) | 4.00 | Dobyr (good) |
| D | (satisfactory) | 3.00 | Sreden (satisfactory) |
| E | (sufficient) | ||
| FX/F | (fail) | 2.00 | Slab (fail) |