UK 10.5 in US and EU sizes

An adult UK 10.5 is a men’s US 11.5 and a women’s US 13 (EU 44–45), for a foot of 27.9 to 28.4 cm.

A kids’ UK 10.5 is much smaller: a kids’ US 10.5C–11C, for a foot of 16.9 to 17.4 cm.

On the brands’ own men’s charts, UK 10.5 is US 11.5 at Allbirds, ANTA and 15 more; US 11 at adidas, HOKA and 5 more; US 10.5 at Converse. Brands size their shoes on their own lasts, so check the brand you’re buying.

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UK 10.5 in every size system

SystemMen’s (adult UK 10.5)Women’s (adult UK 10.5)Kids (kids’ UK 10.5)
Foot length (cm)27.9–28.427.9–28.416.9–17.4
US11.51310.5C–11C
EU44–4544–4527.5–28.5
Mondopoint (mm)280–285280–285170–175
Japan (cm)28–28.528–28.517–17.5
Australia and NZ10.51310.5
South Korea (mm)280–285280–285170–175
China (mm)280–285280–285170–175
Mexico (cm)28–28.528–28.517–17.5
Brazil42–4342–4326–27
Argentina, Uruguay, Paraguay43–4443–4427–28

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 31 brands print next to UK 10.5

BrandMen’s chartWomen’s chartKids’ chart
adidasUS 11UK 10.5 · EU 45 1/3US 12UK 10.5 · EU 45 1/3—
AllbirdsUS 11.5UK 10.5——
ANTAUS 11.5UK 10.5 · EU 45.5——
ASICSUS 11.5UK 10.5 · EU 46US 12.5UK 10.5 · EU 45—
BataEU 45UK 10.5——
BirkenstockEU 45US 12-12.5 · UK 10.5——
Bombas11US 10.5-11 · UK 10.5 · EU 44——
BrooksUS 11.5UK 10.5 · EU 45.5US 12.5UK 10.5 · EU 45—
ClarksUK 10.5US 11.5 · EU 45—UK 10.5US 11 · EU 28.5
ConverseUS 10.5EU 44.5US 12.5UK 10.5 · EU 44.5US 11CUK 10.5 · EU 28
Dr. Martens——UK 10.5US 11.5 · EU 28.5
GucciUK 10.5EU 44.5—28US 11 · UK 10.5
HOKAUS 11UK 10.5 · EU 45 1/3US 12UK 10.5 · EU 45 1/3—
JordanUS 11.5UK 10.5 · EU 45.5US 13UK 10.5 · EU 45.5US 11CUK 10.5 · EU 28
KEENUS 11.5UK 10.5 · EU 45——
MerrellUS 11UK 10.5 · EU 45—US 11.5UK 10.5 · EU 28.5
MizunoUS 11.5UK 10.5 · EU 45US 13UK 10.5 · EU 45—
New BalanceUS 11UK 10.5 · EU 45US 12.5UK 10.5 · EU 45US 11UK 10.5 · EU 28.5
NikeUS 11.5UK 10.5 · EU 45.5US 13UK 10.5 · EU 45.5US 11CUK 10.5 · EU 28
OnUS 11UK 10.5 · EU 45——
Onitsuka TigerUS 11HUK 10.5 · EU 46——
PUMAUS 11.5UK 10.5 · EU 45——
SalomonUS 11UK 10.5 · EU 45 1/3US 12UK 10.5 · EU 45 1/3—
SauconyUS 11.5UK 10.5 · EU 46US 13UK 10.5 · EU 4611.5 Little KidsUS 11.5 · UK 10.5 · EU 28.5
SkechersUS 11.5UK 10.5 · EU 45.5——
SORELUS 11.5UK 10.5 · EU 44.5——
TevaUS 11.5UK 10.5 · EU 45US 12.5UK 10.5 · EU 43.5—
TimberlandUS 11UK 10.5 · EU 45—US 11UK 10.5 · EU 28.5
UGGUS 11.5UK 10.5 · EU 44.5——
Under ArmourUS 11.5UK 10.5 · EU 45.5—US 11KUK 10.5 · EU 28
VansEU 45US 11.5 · UK 10.5EU 45UK 10.5US 11CUK 10.5 · EU 27.5

The row each brand’s own chart prints for UK 10.5, 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.