UK 4 in US and EU sizes
An adult UK 4 is a men’s US 5 and a women’s US 6.5 (EU 36–36.5), for a foot of 22.4 to 22.9 cm.
A kids’ UK 4 is much smaller: a kids’ US 4C–4.5C, for a foot of 11.4 to 11.85 cm.
On the brands’ own men’s charts, UK 4 is US 5 at ANTA, ASICS and 9 more; US 4.5 at adidas, Jordan and 3 more; US 4 at Converse. Brands size their shoes on their own lasts, so check the brand you’re buying.
Convert another size
UK 4 in every size system
| System | Men’s (adult UK 4) | Women’s (adult UK 4) | Kids (kids’ UK 4) |
|---|---|---|---|
| Foot length (cm) | 22.4–22.9 | 22.4–22.9 | 11.4–11.85 |
| US | 5 | 6.5 | 4C–4.5C |
| EU | 36–36.5 | 36–36.5 | 19.5–20 |
| Mondopoint (mm) | 225–230 | 225–230 | 115–120 |
| Japan (cm) | 22.5–23 | 22.5–23 | 11.5–12 |
| Australia and NZ | 4 | 6.5 | 4 |
| South Korea (mm) | 225–230 | 225–230 | 115–120 |
| China (mm) | 225–230 | 225–230 | 115–120 |
| Mexico (cm) | 22.5–23 | 22.5–23 | 11.5–12 |
| Brazil | 34–35 | 34–35 | 18 |
| Argentina, Uruguay, Paraguay | 35–36 | 35–36 | 19 |
From the standard size tables. A size fits a range of feet; where that range spans two sizes in another system, both are shown. A dash means the system has no size there.
What 38 brands print next to UK 4
The row each brand’s own chart prints for UK 4, linked. Brands without that exact size on a chart are left out. Not affiliated with any brand.
Size tables checked 2026-10-23; brand sizes from each brand’s own chart, linked above. An estimate to help you choose: fit varies by brand and model. Not medical advice.