US: 15.5–18 to United Kingdom Size 3.5–5

Cross-market men’s sock conversion mapping 15.5–18 specifications into 3.5–5.

From Standard & Size
US
Converted Equivalent
UK
15–17.5
Based on row equivalence: US 15.5–18 | EU 50–52
Standard cross-walk matching active anthropometric row parameters.
US: 15.5–18 to United Kingdom Size 3.5–5 Conversion

Analyzing Sock Size Equivalence Across Markets

US: 15.5–18: 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.

United Kingdom Size 3.5–5: 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 United Kingdom Size 3.5–5