| Conversions | Club | VS Club | Date | |
|---|---|---|---|---|
| 8 | Chiefs | Sunwolves | 24-03-2018 | Match details |
| 7 | Crusaders | Blues | 14-07-2018 | Match details |
| 7 | New South Wales | Sunwolves | 07-07-2018 | Match details |
| 6 | Lions | Bulls | 03-03-2018 | Match details |
| 6 | Sharks | Sunwolves | 10-03-2018 | Match details |
| 6 | Hurricanes | Blues | 07-07-2018 | Match details |
| 6 | Sunwolves | Bulls | 30-06-2018 | Match details |
| 5 | Melbourne Rebels | Sharks | 23-03-2018 | Match details |
| 5 | Jaguares | Lions | 24-03-2018 | Match details |
| 5 | Blues | Sharks | 31-03-2018 | Match details |
| 5 | Bulls | Jaguares | 07-07-2018 | Match details |
| 5 | Brumbies | New South Wales | 14-07-2018 | Match details |
| 5 | Highlanders | Blues | 23-02-2018 | Match details |
| 5 | Queensland Reds | Sunwolves | 13-07-2018 | Match details |
| 4 | Western Stormers | Melbourne Rebels | 27-04-2018 | Match details |
