| UK maat | EU -maat | Hoogte (cm) | Kuitbreedte slank (cm) | Kalfbreedte Standaard (CM) | Kalfbreedte breed (cm) | Kalfbreedte x wijd (cm) |
| 4 | 37 | 40 | 32.5-35.5 | 36-38.5 | 38-40 | 41-43.5 |
| 5 | 38 | 40.5 | 33-36 | 37-39.5 | 39-41.5 | 42-44.5 |
| 6 | 39 | 41 | 33.5-36.5 | 38-40.5 | 40-42.5 | 43-45.5 |
| 7 | 40 | 41.5 | 34-37 | 39-41.5 | 41-43.5 | 44-46.5 |
| 8 | 41 | 42 | 34.5-37.5 | 40-42.5 | 42-44.5 | 45-47.5 |
| 9 | 42 | 42.5 | 35-38 | 41-43.5 | 43-45.5 | 46-48.5 |
