USA	UK	EUROPE
4	I	48
4.5	J	49
5	K	50
5.5	L	51.5
6	M	53
6.5	N	54
7	O	55
7.5	P	56.5
8	Q	58
8.5	R	59
9	S	60
9.5	T	61
10	U	62
10.5	V	64
11	W	65
11.5	X	66
12	Y	67
12.5	Z	69
13	Z+1
13.5	Z+2
14	Z+3