| IELTS | DET |
| 4.0 | 10–60 |
| 4.5 | 65–75 |
| 5.0 | 80–90 |
| 5.5 | 95–100 |
| 6.0 | 105–115 |
| 6.5 | 120–125 |
| 7.0 | 130–135 |
| 7.5 | 140–145 |
| 8.0 | 150–155 |
| 8.5–9.0 | 160 |
Duolingo’s published concordance uses a 10–160 scale and its research maps DET scores to IELTS Academic.
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