United Kingdom Size 15–17.5 to US: 4–5.5

Cross-market men’s sock conversion mapping 15–17.5 specifications into 4–5.5.

From Standard & Size
UK
Converted Equivalent
US
15.5–18
Based on row equivalence: US 15.5–18 | EU 50–52
Standard cross-walk matching active anthropometric row parameters.
United Kingdom Size 15–17.5 to US: 4–5.5 Conversion

Analyzing Sock Size Equivalence Across Markets

United Kingdom Size 15–17.5: Corresponds to a US shoe size range of 15.5–18, foot length of 32.5–35 cm\text{cm} (12.8–13.8 in\text{in}), and fit classification Max Volume / Bariatric & Therapeutic.

US: 4–5.5: Corresponds to a US shoe size range of 4–5.5, foot length of 22–23.5 cm\text{cm} (8.7–9.3 in\text{in}), and fit classification Snug / Compact Fit.

Other Conversions to US: 4–5.5