Ralph Lauren Swimwear & Beachwear Size Chart
| UK Size | Beachwear Size | US Size | EU | Bust (Inches/cm) | Waist (Inches/cm) | Hip (Inches/cm) |
| 6 | Extra Small | 4 | 36 | 34" / 86.4 | 27 / 68.6 | 37 / 94 |
| 8 | Small | 6 | 38 | 35" / 88.9 | 28" / 71.1 | 38" / 96.5 |
| 10 | Small | 8 | 40 | 36" / 91.4 | 29" / 73.7 | 39" / 99.1 |
| 12 | Medium | 10 | 42 | 37" / 94 | 30" / 76.2 | 40" / 101.6 |
| 14 | Medium | 12 | 44 | 38" / 96.5 | 31" / 78.7 | 41" / 104.1 |
| 16 | Large | 14 | 46 | 39.5" / 100.3 | 32.5" / 82.6 | 42.5" / 108 |
| 18 | Large | 16 | 48 | 41" / 104.1 | 34" / 86.4 | 44" / 111.8 |
| 20 | Extra Large | 18 | 50 | 43" / 109.2 | 36" / 91.4 | 46" / 116.8 |