
















Europe | UK and Australia | USA and Canada | China | Singapore and Japan | Hong Kong | Switzerland | Circumference (mm) | Diameter (mm) |
---|---|---|---|---|---|---|---|---|
44 | F½ | 3 | 6 | 4 | 6 | 4 | 44.2 | 14.1 |
45 | G | 5 | 5¼ | 44.8 | 14.3 | |||
G½ | 3½ | 7 | 7.5 | 45.5 | 14.5 | |||
46 | H | 6 | 6½ | 46.1 | 14.7 | |||
47 | H½ | 4 | 8 | 7 | 9 | 46.8 | 14.9 | |
I | 9 | 7¾ | 47.4 | 15.1 | ||||
48 | I½ | 4½ | 8 | 10 | 48 | 15.3 | ||
J | 9 | 48.7 | 15.5 | |||||
49 | J½ | 5 | 10 | 9 | 11 | 49.9 | 15.7 | |
50 | K | 10 | 50 | 15.9 | ||||
K½ | 5½ | 11 | 10 | 12 | 50.6 | 16.1 | ||
51 | L | 11¾ | 51.2 | 16.3 | ||||
52 | L½ | 6 | 12 | 11 | 13 | 12¾ | 51.9 | 16.5 |
M | 13 | 12 | 52.5 | 16.7 | ||||
53 | M½ | 6½ | 13 | 14.5 | 14 | 53.1 | 16.9 | |
N | 14 | 53.8 | 17.1 | |||||
54 | N½ | 7 | 14 | 16 | 15¼ | 54.4 | 17.3 | |
55 | O | 15 | 55.1 | 17.5 | ||||
O½ | 7½ | 15 | 17 | 16½ | 55.7 | 17.7 | ||
56 | P | 16 | 56.9 | 17.9 | ||||
57 | P½ | 8 | 17 | 16 | 17¾ | 57 | 18.1 | |
18 | 57.2 | 18.2 | ||||||
Q | 57.6 | 18.3 | ||||||
58 | Q½ | 8½ | 18 | 17 | 19 | 58.3 | 18.5 | |
59 | R | 19 | 58.9 | 18.8 | ||||
R½ | 9 | 19 | 18 | 20.5 | 59.5 | 19 | ||
60 | S | 20 | 20¼ | 60.2 | 19.2 | |||
61 | S½ | 9½ | 19 | 22 | 60.8 | 19.4 | ||
T | 21 | 21½ | 61.4 | 19.6 | ||||
62 | T½ | 10 | 20 | 23 | 62.1 | 19.8 | ||
U | 22 | 21 | 62.7 | 20 | ||||
63 | U½ | 10½ | 22 | 24 | 22¾ | 63.4 | 20.2 | |
64 | V | 23 | 64 | 20.4 | ||||
V½ | 11 | 23 | 25 | 64.6 | 20.6 | |||
65 | W | 24 | 25 | 65.3 | 20.8 | |||
66 | W½ | 11½ | 25 | 24 | 26 | 65.9 | 21 | |
X | 66.6 | 21.2 | ||||||
67 | X½ | 12 | 26 | 25 | 27.75 | 27½ | 67.2 | 21.4 |
Y | 67.8 | 21.6 | ||||||
68 | Z | 12½ | 26 | 28¾ | 68.5 | 21.8 | ||
69 | Z½ | 69.1 | 22 | |||||
70 | 13 | 27 | 30 | 69.7 | 22.2 | |||
Z+1 | 70.4 | 22.4 | ||||||
Z+2 | 13½ | 71 | 22.6 |