Circumference | UK | USA & Canada | EU |
50 | K | 5 1/4 | 49 5/8 |
52 | L | 5 3/4 | 50 7/8 |
53 | M | 6 1/4 | 52 1/8 |
54 | N | 6 3/4 | 53 3/8 |
56 | O 1/2 | 7 1/4 | 55 1/2 |
57 | P | 7 1/2 | 55 7/8 |
58 | Q | 8 | 57 1/8 |
60 | R 1/2 | 8 3/4 | 59 |
61 | S | 9 | 59 5/8 |
62 | T | 9 3/4 | 60 7/8 |
64 | U 1/2 | 10 1/2 | 62 3/4 |
65 | V | 10 3/4 | 63 3/8 |
66 | W | 11 1/4 | 64 5/8 |
67 | X | 11 3/4 | 65 7/8 |
68 | Y | 12 | 67 1/8 |
70 | Z | 12 1/2 | 67 3/4 |