Shoe size 11.5 in EU, UK and US sizes
A UK 11.5, a US men's 11.5 and a US women's 11.5 are three different sizes. Each is converted below, first as most brands chart it and then brand by brand, from the size charts of the 35 brands on this site, every one keyed to foot length.
Quick answers
What is a UK 11.5 in EU size?
Most often EU 46.5: 8 of the 23 brand charts here that give an EU size for a UK 11.5 say so, and the full range is EU 45 to 47. In US sizes, a UK 11.5 is most often a men's 12.5 or a women's 13. It fits a foot about 30 cm long.
What is a US men's 11.5 in EU and UK size?
Most often EU 45 or 46, and UK 10.5, from the 31 brand charts here that list a men's US 11.5. The EU range is 44.5 to 46, and it fits a foot about 29.5 cm long.
What is a US women's 11.5 in EU and UK size?
Most often EU 43, and UK 9, from the 21 brand charts here that list a women's US 11.5. The EU range is 42 to 44.67, and it fits a foot about 28 cm long.
UK 11.5 by brand
23 of the 35 brands list a UK 11.5. Where a brand's men's and women's charts give different figures, both ends are shown.
| Brand | EU | US men | US women | Foot (cm) |
|---|---|---|---|---|
| Adidas | 46.67 | 12 | 13 | 28.8 |
| Altra | 47 | 12.5 | — | 30.5 |
| ASICS | 47 | 12.5 | — | 30 |
| Brooks | 46.5 | 12.5 | — | 30.5 |
| Chaco | 45.5 | 12.5 | — | 30.5 |
| Converse | 46 | 11.5 | 13.5 | 30 |
| Danner | 47 | 12 | — | 30 |
| Hoka | 46.67 | 12 | 13 | 30 |
| LOWA | 46.5 | 12.5 | — | 29.4 |
| Merrell | 46.5 | 12 | — | 30 |
| Mizuno | 46.5 | 12.5 | 14 | 30.5 |
| New Balance | 46–46.5 | 12 | 13.5 | 30–30.5 |
| Nike | 47 | 12.5 | 14 | 30.5–31 |
| On | 47 | 12 | — | 30 |
| Puma | 46.5 | 12.5 | — | 30.5 |
| Reebok | 46 | 12.5 | — | 29.2 |
| Salomon | 46.67 | 12 | 13 | 29.5 |
| Saucony | 47 | 12.5 | — | 30.5 |
| Skechers | 47 | 12.5 | — | 30.5 |
| Steve Madden | 45 | 12 | — | 28.6 |
| Teva | 46.5 | 12.5 | — | 29.4 |
| Timberland | 46 | 12 | — | 30 |
| Under Armour | 46.5 | 12.5 | — | 30.5 |
US men's 11.5 by brand
31 of the 35 brands list a US men's 11.5.
| Brand | UK | EU | Foot (cm) |
|---|---|---|---|
| Adidas | 11 | 46 | 28.4 |
| Altra | 10.5 | 46 | 29.5 |
| ASICS | 10.5 | 46 | 29 |
| Brooks | 10.5 | 45.5 | 29.5 |
| Chaco | 10.5 | 44.5 | 29.5 |
| Clarks | 10.5 | 45 | 28.5 |
| Columbia | 10.5 | 44.5 | 28.3 |
| Converse | 11.5 | 46 | 30 |
| Danner | 11 | 46 | 29.5 |
| Hoka | 11 | 46 | 29.5 |
| Keen | 10.5 | 45 | 28.3 |
| LOWA | 10.5 | 45 | 28.5 |
| Merrell | 11 | 46 | 29.5 |
| Mizuno | 10.5 | 45 | 29.5 |
| New Balance | 11 | 45.5 | 29.5 |
| Nike | 10.5 | 45.5 | 29.5 |
| On | 11 | 46 | 29.5 |
| Puma | 10.5 | 45 | 29.5 |
| Red Wing | 10.5 | 45 | 29.5 |
| Reebok | 10.5 | 45 | 28.4 |
| Salomon | 11 | 46 | 29 |
| Saucony | 10.5 | 46 | 29.5 |
| Skechers | 10.5 | 45.5 | 29.5 |
| Sperry | 10.5 | 45 | 29.5 |
| Steve Madden | 11 | 44.5 | 28.3 |
| Teva | 10.5 | 45 | 28.5 |
| Timberland | 11 | 45.5 | 29.5 |
| TOMS | 10.5 | 44.5 | 29.5 |
| UGG | 10.5 | 44.5 | 29.5 |
| Under Armour | 10.5 | 45.5 | 29.5 |
| Vans | 10.5 | 45 | 29.5 |
US women's 11.5 by brand
21 of the 35 brands list a US women's 11.5.
| Brand | UK | EU | Foot (cm) |
|---|---|---|---|
| Adidas | 10 | 44.67 | 27.6 |
| Altra | 9.5 | 44 | 28 |
| ASICS | 9.5 | 44 | 28 |
| Brooks | 9.5 | 44 | 28 |
| Clarks | 9 | 43 | 27.2 |
| Converse | 9.5 | 43 | 28 |
| Hoka | 10 | 44.67 | 28.5 |
| LOWA | 10 | 44.5 | 28.1 |
| Merrell | 9 | 43 | 28.5 |
| Mizuno | 9 | 43 | 28 |
| New Balance | 9.5 | 43.5 | 28.5 |
| Nike | 9 | 44 | 28.5 |
| Puma | 9 | 43 | 28 |
| Red Wing | 9 | 43 | 28.5 |
| Salomon | 10 | 44.67 | 28 |
| Saucony | 9.5 | 44 | 28 |
| Sperry | 9 | 43 | 28.5 |
| Steve Madden | 9.5 | 42 | 27.1 |
| Teva | 9.5 | 42.5 | 27.5 |
| Under Armour | 9 | 44 | 28.5 |
| Vans | 9 | 43 | 28 |
The general chart
The general chart on the shoe size chart page, an average that is not any one brand's, puts a UK 11.5 at EU 47 (30 cm), a US men's 11.5 at EU 46.5 (29.5 cm) and a US women's 11.5 at EU 44.5 (28 cm). Where it differs from the brand tables above, trust the brand you are buying.
The right size depends on the brand. Measure your foot once and the calculator gives your size in all 35 brands at the same time.
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