| Grade | Scale | Scale 2 | US Grade |
|---|---|---|---|
| AA | 4.00 | 84.00 - 100.00 | A |
| AB | 3.70 | 77.00 - 83.99 | A- |
| BA | 3.30 | 71.00 - 76.99 | B+ |
| BB | 3.00 | 66.00 - 70.99 | B |
| BC | 2.70 | 61.00 - 65.99 | B- |
| CB | 2.30 | 56.00 - 60.99 | C+ |
| CC | 2.00 | 50.00 - 55.99 | C |
| CD | 1.70 | 46.00 - 49.99 | C- |
| DC | 1.30 | 40.00 - 45.99 | D+ |
| DD | 1.00 | 33.00 - 39.99 | D |
| FF | 0.00 | 0.00 - 32.00 | F |
