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Europe Size 21 to US: 8

Cross-market children’s footwear conversion mapping 21 specifications into 8 for sneakers, boots, sandals, dress shoes, slippers, and dance shoes.

From Standard & Size
EU
Converted Equivalent
US
4.5
Based on row equivalence: US 4.5 | EU 21 | Foot Length 12.5 cm
Standard cross-walk matching active anthropometric row parameters.
Europe Size 21 to US: 8 Conversion

Analyzing Footwear Size Equivalence Across Markets

Europe Size 21: Corresponds to a foot length of12.5 cm\text{cm} (4.9 in\text{in}), estimated age 24m, and Mondopoint 125 mm\text{mm}.

US: 8: Corresponds to a foot length of 16.0 cm\text{cm} (6.3 in\text{in}), estimated age 5y, and Mondopoint 160 mm\text{mm}.

Other Conversions to US: 8

Europe Size 16 → us-816 to us-8
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Europe Size 16.5 → us-816.5 to us-8
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Europe Size 17 → us-817 to us-8
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Europe Size 18 → us-818 to us-8
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Europe Size 18.5 → us-818.5 to us-8
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Europe Size 19 → us-819 to us-8
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Europe Size 19.5 → us-819.5 to us-8
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Europe Size 20 → us-820 to us-8
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Europe Size 21 → us-821 to us-8
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Europe Size 21.5 → us-821.5 to us-8
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Europe Size 22 → us-822 to us-8
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Europe Size 23 → us-823 to us-8
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