| Conversions | Club | VS Club | Date | |
|---|---|---|---|---|
| 8 | Glasgow Warriors | Zebre | 23-03-2018 | Match details |
| 7 | Leinster | Southern Kings | 23-02-2018 | Match details |
| 7 | Ulster | Southern Kings | 09-02-2018 | Match details |
| 7 | Scarlets | Southern Kings | 02-09-2017 | Match details |
| 7 | Munster | Gwent Dragons | 03-11-2017 | Match details |
| 7 | Cheetahs | Zebre | 16-09-2017 | Match details |
| 6 | Edinburgh Rugby | Scarlets | 14-04-2018 | Match details |
| 6 | Connacht | Leinster | 28-04-2018 | Match details |
| 6 | Southern Kings | Gwent Dragons | 02-03-2018 | Match details |
| 5 | Cardiff Blues | Southern Kings | 14-04-2018 | Match details |
| 5 | Zebre | Southern Kings | 23-09-2017 | Match details |
| 4 | Ospreys | Connacht | 06-04-2018 | Match details |
| 4 | Benetton Treviso | Southern Kings | 24-03-2018 | Match details |
| 3 | Gwent Dragons | Benetton Treviso | 07-04-2018 | Match details |
