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US: 4.5 to Europe Size 20

Cross-market children’s footwear conversion mapping 4.5 specifications into 20 for sneakers, boots, sandals, dress shoes, slippers, and dance shoes.

From Standard & Size
US
Converted Equivalent
EU
21
Based on row equivalence: US 4.5 | EU 21 | Foot Length 12.5 cm
Standard cross-walk matching active anthropometric row parameters.
US: 4.5 to Europe Size 20 Conversion

Analyzing Footwear Size Equivalence Across Markets

US: 4.5: Corresponds to a foot length of12.5 cm\text{cm} (4.9 in\text{in}), estimated age 24m, and Mondopoint 125 mm\text{mm}.

Europe Size 20: Corresponds to a foot length of 12.0 cm\text{cm} (4.7 in\text{in}), estimated age 18-24m, and Mondopoint 120 mm\text{mm}.

Other Conversions to Europe Size 20

US: 0 → eu-200 to eu-20
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US: 1 → eu-201 to eu-20
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US: 1.5 → eu-201.5 to eu-20
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US: 2 → eu-202 to eu-20
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US: 2.5 → eu-202.5 to eu-20
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US: 3 → eu-203 to eu-20
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US: 3.5 → eu-203.5 to eu-20
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US: 4 → eu-204 to eu-20
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US: 4.5 → eu-204.5 to eu-20
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US: 5 → eu-205 to eu-20
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US: 5.5 → eu-205.5 to eu-20
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US: 6 → eu-206 to eu-20
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