Kids' shoe size conversion
Shoe size 37.5 EU in US
EU
37.5
US
6Y
Foot length · 23.5 cm
Also: UK 5
A EU kids' shoe size 37.5 converts to US 6Y — that's a foot length of about 23.5 cm. Conversions follow ISO 9407 reference data; individual brands may run half a size larger or smaller.
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Full kids' conversion chart
| US | UK | EU | CM |
|---|---|---|---|
| 10C | 9.5 | 27 | 16.5 |
| 11C | 10.5 | 28 | 17.0 |
| 12C | 11 | 30 | 18.0 |
| 13C | 12 | 31 | 19.0 |
| 1Y | 13 | 32 | 19.5 |
| 2Y | 1 | 33 | 20.5 |
| 3Y | 2 | 34 | 21.0 |
| 4Y | 3 | 35 | 22.0 |
| 5Y | 4 | 36 | 23.0 |
| 6Y | 5 | 37.5 | 23.5 |
| 7Y | 6 | 38.5 | 24.5 |
Related conversions
Frequently asked
- What is EU shoe size 37.5 in US?
- EU kids' shoe size 37.5 equals US 6Y (about 23.5 cm foot length).
- Does this apply to all brands?
- These figures follow standardized ISO 9407 mappings. Nike, Adidas and others may run a half size differently — see our brand guides for specifics.