RING SIZE CHART

內圈圓周長
Inside Circumference (mm)

 

內圈直徑（毫米）
Inside Diameter (mm)

 

港碼
HK Size

 

美碼
US Size

 
44.3 14.1 6
45.2 14.4 7
46.5 14.8 8
47.7 15.2 9 4
48.7 15.5 10
49.9 15.9 11 5
50.9 16.2 12
52.1 16.6 13 6
53.4 17 14
54.3 17.3 15 7
55.3 17.6 16
56.5 18 17
57.8 18.4 18 8
58.7 18.7 19
59.9 19.1 20 9
60.9 19.4 21
62.2 19.8 22 10
63.1 20.1 23
64.4 20.4 24 11
65.3 20.8 25
66.6 21..2 26
67.5 21.5 27
68.5 21.8 28
69.7 22.2 29
70.6 22.5 30
71.6 22.8 31
72.8 23.2 32
74.1 23.6 33