Euro 41 = US8 = UK7 =26CM
Euro 42 = US8.5 = UK7.5 =26.5CM
Euro 43 = US9.5 = UK8.5 =27.5CM
Euro 44 = US10 = UK9 =28CM
Euro 45 = US11 = UK10 =29CM
Euro 46 = US12 = UK11 =30CM
Euro 47 = US13 = UK12 =30.5-31Cm