Size UK USA FRANCE ITALY
48 I 1/2 4 1/2 48 9
50 K 1/4 5 1/4 50 11
52 M 6 52 3/4 13
54 N 1/2 6 3/4 54 15
56 P 7 1/2 56 1/2 17/18
58 Q 3/4 8 1/2 58 18/19
60 S 1/4 9 1/4 60 1/2 20
62 T 1/2 10 62 22
64 V 1/4 10 3/4 64 23
66 W 1/2 11 1/2 66 25