Men's shoe size conversion

Shoe size 11.5 UK in US

UK

11.5

US

12

Foot length · 30.0 cm

Also: EU 46

A UK men's shoe size 11.5 converts to US 12 — that's a foot length of about 30.0 cm. Conversions follow ISO 9407 reference data; individual brands may run half a size larger or smaller.

Full men's conversion chart

USUKEUCM
65.53924.0
6.5639.524.5
76.54025.0
7.5740.525.4
87.54126.0
8.584226.5
98.542.527.0
9.594327.5
109.54428.0
10.51044.528.5
1110.54529.0
11.51145.529.5
1211.54630.0
1312.547.531.0
1413.548.532.0

Related conversions

Frequently asked

What is UK shoe size 11.5 in US?
UK men's shoe size 11.5 equals US 12 (about 30.0 cm foot length).
Does this apply to all brands?
These figures follow standardized ISO 9407 mappings. Nike, Adidas and others may run a half size differently — see our brand guides for specifics.