| Young & Wild Size | UK | US/CA | Europe | Waist (cm) | Hips (cm) | Waist (inch) | Hips (inch) |
| XXS | 4 | 00/0 | 30/32 | 55-59 | 82-86 | 21.5-23.1 | 32.3-33.8 |
| XS | 6 | 0/2 | 32/34 | 60-64 | 87-91 | 23.6-25.1 | 34.3-35.8 |
| S | 8 | 2/4 | 33/36 | 65-69 | 92-96 | 25.5-27.1 | 36.1-37.8 |
| M | 10 | 4/6 | 36/38 | 70-74 | 97-101 | 27.5-29.1 | 38.1-39.8 |
| L | 12 | 6/8 | 38/40 | 75-79 | 102-106 | 29.5-31 | 40.1-41.6 |
| XL | 14 | 8/10 | 40/42 | 80-84 | 107-111 | 31.4-33 | 42-43.6 |