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US: 9 to Europe Size 40

Cross-market men’s footwear, boots, sneakers, and loafers size conversion mapping 9 specifications into 40.

From Standard & Size
US
Converted Equivalent
EU
42.5
Based on row equivalence: US 9 | EU 42.5 | Foot Length 27 cm
Standard cross-walk matching active anthropometric row parameters.
US: 9 to Europe Size 40 Men’s Shoes Conversion

Analyzing Shoe Size Equivalence Across Markets

US: 9: Features a foot length of 27 cm\text{cm} (10.6 in\text{in}), a recommended range of 26.6–27 cm\text{cm} (10.5–10.6 in\text{in}), and fit type Standard Width (D).

Europe Size 40: Features a foot length of 25 cm\text{cm} (9.8 in\text{in}), a recommended range of 24.6–25 cm\text{cm} (9.7–9.8 in\text{in}), and fit type Standard Width (D).

Other Conversions to Europe Size 40

US: 6 → eu-406 to eu-40
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US: 6.5 → eu-406.5 to eu-40
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US: 7 → eu-407 to eu-40
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US: 7.5 → eu-407.5 to eu-40
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US: 8 → eu-408 to eu-40
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US: 8.5 → eu-408.5 to eu-40
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US: 9 → eu-409 to eu-40
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US: 9.5 → eu-409.5 to eu-40
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US: 10 → eu-4010 to eu-40
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US: 10.5 → eu-4010.5 to eu-40
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US: 11 → eu-4011 to eu-40
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US: 11.5 → eu-4011.5 to eu-40
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