| Level | IETLS | TOEFL (paper) | HKCEE (Syl B) / GCSE | Cambridge |
| Native Speaker | 8.5-9.0 | 638-677 | CPE A | |
| Proficient | 7.5-8.0 | 588-637 | CPE B | |
| Advanced - Strong | 7.0 | 568-587 | Grade B | CAE A / CPE C |
| Advanced | 6.5 | 548-567 | Grade C | CAE B |
| Upper Intermediate | 6.0 | 530-547 | IGCSE ESL Grade B | FCE A / CAE C |
| Intermediate - Strong | 5.5 | 511-529 | Grade D | FCE B |
| Intermediate - Mid | 5.0 | 494-510 | IGCSE ESL Grade C | FCE C |
| Intermediate - Low | 4.5 | 474-493 | PET pass with merit | |
| Pre-intermediate - Strong | 4.0 | 434-473 | Grade E | PET pass |
| Pre-intermediate - Low | 3.0 - 3.5 | 394-433 | KET pass with merit | |
| Elementary | 2.0 - 2.5 | 344-393 | KET pass |
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