US 8
Shoes size 9.5 in UK equals to size 10 in US.
A professional size football is uk size 5.
A UK 11.5 shoe is equal to a US 12.
European size 42 is the same as a UK size 8.
UK 4.5
The UK size 8 is the equivalent of a US size 4
10
Going by what we saw in shops size 40 euro is equal to size 14 UK
UK Size 5 = US Size 7 = EU Size 38.
A UK 30E will be the same as an Australian 8E.
6½
A UK 11.5 shoe is equal to a US 12.