| Bottom Measurement (cm) | UK |
| 105 | 3'6 |
| 115 | 3'9 |
| 125 | 4'0 |
| 135 | 4'6 |
| 145 | 4'9 |
| 155 | 5'3 |
| 165 | 5'6 |
| 175 | 5'9 |
| 185 | 6'0 |
| 195 | 6'6 |
| 205 | 6'9 |
| 215 | 7'0 |
| 225 | 7'3 |
| Bottom Measurement (cm) | UK |
| 105 | 3'6 |
| 115 | 3'9 |
| 125 | 4'0 |
| 135 | 4'6 |
| 145 | 4'9 |
| 155 | 5'3 |
| 165 | 5'6 |
| 175 | 5'9 |
| 185 | 6'0 |
| 195 | 6'6 |
| 205 | 6'9 |
| 215 | 7'0 |
| 225 | 7'3 |