| Conversions | Club | VS Club | Date | |
|---|---|---|---|---|
| 8 | Munster | Ulster | 29-09-2018 | Match details |
| 8 | Cheetahs | Zebre | 26-01-2019 | Match details |
| 7 | Glasgow Warriors | Cheetahs | 15-09-2018 | Match details |
| 7 | Leinster | Gwent Dragons | 15-09-2018 | Match details |
| 7 | Scarlets | Southern Kings | 29-09-2018 | Match details |
| 6 | Ulster | Zebre | 23-02-2019 | Match details |
| 6 | Benetton Treviso | Gwent Dragons | 23-02-2019 | Match details |
| 5 | Southern Kings | Glasgow Warriors | 22-09-2018 | Match details |
| 5 | Cardiff Blues | Scarlets | 22-03-2019 | Match details |
| 4 | Ospreys | Southern Kings | 13-04-2019 | Match details |
| 4 | Gwent Dragons | Scarlets | 27-04-2019 | Match details |
| 4 | Connacht | Gwent Dragons | 03-11-2018 | Match details |
| 4 | Edinburgh Rugby | Benetton Treviso | 28-09-2018 | Match details |
| 4 | Zebre | Edinburgh Rugby | 26-10-2018 | Match details |
