Sea Level Swimwear & Beachwear Size Chart
| UK Size | Beachwear Size | US | EU | Bust (Inches/cm) | Waist (Inches/cm) | Hips (Inches/cm) |
| 8 | Extra Small | 4 | 34 | 32-33" / 82-84 | 24.5-25" / 62-64 | 35.5-36" / 90-92 |
| 10 | Small | 6 | 36 | 34-35" / 87-89 | 26"-27" / 67-69 | 37.5-38" / 95-97 |
| 12 | Medium | 8 | 38 | 36-37" / 92-94 | 28-29" / 72-74 | 39-40" / 100-102 |
| 14 | Large | 10 | 40 | 38-40" / 97-99 | 30-31" / 77-79 | 41-42" / 105-107 |
| 16 | Extra Large | 12 | 42 | 40-41" / 102-104 | 32-33" / 82-84 | 43-44" / 110-112 |
| 18 | XXL | 14 | 44 | 42-43" / 107-109 | 34-35" / 87-89 | 45-46" / 115-117 |
| 20 | XXXL | 16 | 46 | 44-45" / 112-114 | 36-37" / 92-94 | 47-48" / 120-122 |