UK 11.5 in US and EU sizes
An adult UK 11.5 is a men’s US 12.5 and a women’s US 14 (EU 45.5–46), for a foot of 28.8 to 29.2 cm.
A kids’ UK 11.5 is much smaller: a kids’ US 11.5C–12C, for a foot of 17.8 to 18.2 cm.
On the brands’ own men’s charts, UK 11.5 is US 12.5 at Allbirds, ANTA and 10 more; US 12 at adidas, HOKA and 5 more; US 11.5 at Converse. Brands size their shoes on their own lasts, so check the brand you’re buying.
Convert another size
UK 11.5 in every size system
| System | Men’s (adult UK 11.5) | Women’s (adult UK 11.5) | Kids (kids’ UK 11.5) |
|---|---|---|---|
| Foot length (cm) | 28.8–29.2 | 28.8–29.2 | 17.8–18.2 |
| US | 12.5 | 14 | 11.5C–12C |
| EU | 45.5–46 | 45.5–46 | 29–29.5 |
| Mondopoint (mm) | 290–295 | 290–295 | 180–185 |
| Japan (cm) | 29–29.5 | 29–29.5 | 18–18.5 |
| Australia and NZ | 11.5 | 14 | 11.5 |
| South Korea (mm) | 290–295 | 290–295 | 180–185 |
| China (mm) | 290–295 | 290–295 | 180–185 |
| Mexico (cm) | 29–29.5 | 29–29.5 | 18–18.5 |
| Brazil | 44 | 44 | 27–28 |
| Argentina, Uruguay, Paraguay | 45 | 45 | 28–29 |
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 29 brands print next to UK 11.5
The row each brand’s own chart prints for UK 11.5, 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.