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US: M (38–40) to United Kingdom Size 38–40

Cross-market men’s shirt and upper-body conversion mapping M (38–40) specifications into 38–40.

From Standard & Size
US
Converted Equivalent
UK
38–40
Based on row equivalence: US M (38–40) | EU 48–50
Standard cross-walk matching active anthropometric row parameters.
US: M (38–40) to United Kingdom Size 38–40 Conversion

Analyzing Upper-Body Size Equivalence Across Markets

US: M (38–40): Corresponds to a chest width of 96.5–101.6 cm\text{cm} (38–40 in\text{in}), neck collar girth of 39.4 cm\text{cm} (15.5 in\text{in}), sleeve length of 86.4 cm\text{cm} (34 in\text{in}), and fit style Classic Regular Fit.

United Kingdom Size 38–40: Corresponds to a chest width of 96.5–101.6 cm\text{cm} (38–40 in\text{in}), neck collar girth of 39.4 cm\text{cm} (15.5 in\text{in}), sleeve length of 86.4 cm\text{cm} (34 in\text{in}), and fit style Classic Regular Fit.

Other Conversions to United Kingdom Size 38–40

US: XS (32–34) → uk-38-40XS (32–34) to uk-38-40
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US: S (35–37) → uk-38-40S (35–37) to uk-38-40
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US: M (38–40) → uk-38-40M (38–40) to uk-38-40
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US: L (42–44) → uk-38-40L (42–44) to uk-38-40
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US: XL (46–48) → uk-38-40XL (46–48) to uk-38-40
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US: 2XL (50–52) → uk-38-402XL (50–52) to uk-38-40
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US: 3XL (54–56) → uk-38-403XL (54–56) to uk-38-40
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