| Conversions | Players | VS Club | Date | |
|---|---|---|---|---|
| 5 | Sam Davies | Northampton Saints | 09-12-2017 | Match details |
| 4 | Daniel Biggar | Saracens | 21-10-2017 | Match details |
| 3 | Daniel Biggar | Clermont Auvergne | 15-10-2017 | Match details |
| 3 | Sam Davies | Northampton Saints | 17-12-2017 | Match details |
| 1 | Daniel Biggar | Clermont Auvergne | 20-01-2018 | Match details |
