UK 4 / US 5 UK 5 / US 6 UK 6 / US 7 UK 7 / US 8 UK 7.5 / US 8.5 UK 8 / US 9 UK 8.5 / US 9.5 UK 9 / US 10 UK 9.5 / US 10.5 UK 10 / US 11 UK 10.5 / US 11.5 UK 11 / US 12 UK 11.5 / US 12.5 UK 12 / US 13 UK 13 / US 14