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US: 4–5.5 to United Kingdom Size 10.5–12.5

Cross-market men’s sock conversion mapping 4–5.5 specifications into 10.5–12.5.

From Standard & Size
US
Converted Equivalent
UK
3.5–5
Based on row equivalence: US 4–5.5 | EU 35–37
Standard cross-walk matching active anthropometric row parameters.
US: 4–5.5 to United Kingdom Size 10.5–12.5 Conversion

Analyzing Sock Size Equivalence Across Markets

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.

United Kingdom Size 10.5–12.5: Corresponds to a US shoe size range of 11–13, foot length of 28.5–30 cm\text{cm} (11.2–11.8 in\text{in}), and fit classification Relaxed / Comfort Stretch.

Other Conversions to United Kingdom Size 10.5–12.5

US: 4–5.5 → uk-10-5-12-54–5.5 to uk-10-5-12-5
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US: 6–8 → uk-10-5-12-56–8 to uk-10-5-12-5
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US: 8.5–10.5 → uk-10-5-12-58.5–10.5 to uk-10-5-12-5
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US: 11–13 → uk-10-5-12-511–13 to uk-10-5-12-5
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US: 13.5–15 → uk-10-5-12-513.5–15 to uk-10-5-12-5
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US: 15.5–18 → uk-10-5-12-515.5–18 to uk-10-5-12-5
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