UK and US sizes are similar but not identical. This converter maps British sizing to American for every common garment type, including vintage pieces.
| EU | US | UK | USSR/RU | Chest cm | Chest in |
|---|---|---|---|---|---|
| 44 | XS/34 | 34 | 44 | 88 | 34.6" |
| 46 | S/36 | 36 | 46 | 92 | 36.2" |
| 48 | S/38 | 38 | 48 | 96 | 37.8" |
| 50 | M/40 | 40 | 50 | 100 | 39.4" |
| 52 | M/42 | 42 | 52 | 104 | 40.9" |
| 54 | L/44 | 44 | 54 | 108 | 42.5" |
| 56 | L/46 | 46 | 56 | 112 | 44.1" |
| 58 | XL/48 | 48 | 58 | 116 | 45.7" |
| 60 | XXL/50 | 50 | 60 | 120 | 47.2" |
| 62 | 3XL/52 | 52 | 62 | 124 | 48.8" |
UK vs US Women's Sizes
UK women's sizes run 4 numbers higher than US sizes: UK 12 = US 8, UK 14 = US 10. This pattern holds for most high-street garments, though vintage pieces may vary by era.
UK vs US Men's Sizes
Men's jacket and shirt sizes are identical between UK and US — both use chest measurements in inches. Shoe sizes differ by 0.5: UK 9 = US 9.5 (men's).