Kids' shoe size conversion
Shoe size 4 UK in US
UK
4
US
5Y
Nominal cm reference · 23.0 cm
Also: EU 36
A UK kids' shoe size 4 converts to US 5Y — nominal cm reference 23.0 cm. These are approximate label equivalents. CM values are nominal references, not verified measured-foot recommendations; consult the manufacturer’s current chart.
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 UK shoe size 4 in US?
- UK kids' shoe size 4 equals US 5Y (nominal cm reference 23.0).
- Does this apply to all brands?
- No. These are approximate reference values, not universal ISO conversions. Labels and fit can differ by brand and model — see our brand guides for specifics.