US/AU Size UK Size EU Sizes Inches Milimeters
3 N/A N/A 8 204
4 N/A N/A 8 3/8 212
5 3 34-35 8 5/8 221
6 4 36-37 9 229
7 5 37-38 9 3/8 238
8 6 38-39 9 5/8 246
9 7 39-40 10 255
10 8 41-42 10 3/8 263
11 9 42-43 10 5/8 272
12 10 N/A 11 280