UK 12.5 in US and EU sizes

An adult UK 12.5 is a men’s US 13.5 and a women’s US 15 (EU 46.5–47.5), for a foot of 29.6 to 30.1 cm.

A kids’ UK 12.5 is much smaller: a kids’ US 12.5C–13C, for a foot of 18.6 to 19.05 cm.

On the brands’ own men’s charts, UK 12.5 is US 13.5 at Allbirds, ANTA and 7 more; US 13 at adidas, HOKA and 5 more; US 13H at Onitsuka Tiger. Brands size their shoes on their own lasts, so check the brand you’re buying.

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UK 12.5 in every size system

SystemMen’s (adult UK 12.5)Women’s (adult UK 12.5)Kids (kids’ UK 12.5)
Foot length (cm)29.6–30.129.6–30.118.6–19.05
US13.51512.5C–13C
EU46.5–47.546.5–47.530–31
Mondopoint (mm)300–305300–305190–195
Japan (cm)30–30.530–30.519–19.5
Australia and NZ12.51512.5
South Korea (mm)300–305300–305190–195
China (mm)300–305300–305190–195
Mexico (cm)30–30.530–30.519–19.5
Brazil45–4645–4628–29
Argentina, Uruguay, Paraguay46–4746–4729–30

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 23 brands print next to UK 12.5

BrandMen’s chartWomen’s chartKids’ chart
adidas size chart (opens the brand’s site)US 13UK 12.5 · EU 48US 14UK 12.5 · EU 48—
Allbirds size chart (opens the brand’s site)US 13.5UK 12.5——
ANTA size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48——
ASICS size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48.5——
Bata size chart (opens the brand’s site)——EU 31UK 12.5
Bombas size chart (opens the brand’s site)13US 12.5-13 · UK 12.5 · EU 47——
Clarks size chart (opens the brand’s site)——UK 12.5US 13 · EU 31
Converse size chart (opens the brand’s site)——US 13CUK 12.5 · EU 31
Gucci size chart (opens the brand’s site)UK 12.5EU 46.5—31US 13 · UK 12.5
HOKA size chart (opens the brand’s site)US 13UK 12.5 · EU 48——
Jordan size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48US 15UK 12.5 · EU 48US 13CUK 12.5 · EU 31
Merrell size chart (opens the brand’s site)US 13UK 12.5 · EU 48—US 13.5UK 12.5 · EU 31.5
New Balance size chart (opens the brand’s site)US 13UK 12.5 · EU 47.5—US 13UK 12.5 · EU 31
Nike size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48US 15UK 12.5 · EU 48US 13CUK 12.5 · EU 31
On size chart (opens the brand’s site)US 13UK 12.5 · EU 48——
Onitsuka Tiger size chart (opens the brand’s site)US 13HUK 12.5 · EU 48.5——
Salomon size chart (opens the brand’s site)US 13UK 12.5 · EU 48US 14UK 12.5 · EU 48—
Saucony size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48.5US 15UK 12.5 · EU 48.513.5 Big KidsUS 13.5 · UK 12.5 · EU 31.5
Skechers size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48——
Teva size chart (opens the brand’s site)US 13.5UK 12.5 · EU 47.5——
Timberland size chart (opens the brand’s site)US 13UK 12.5 · EU 47.5—US 13UK 12.5 · EU 31
Under Armour size chart (opens the brand’s site)US 13.5UK 12.5 · EU 48—US 13KUK 12.5 · EU 31
Vans size chart (opens the brand’s site)——US 13CUK 12.5 · EU 30.5

The row each brand’s own chart prints for UK 12.5, 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.