Use the following measurement list to get your exact ring size:
Ring Size Table
U.S.A
U.K
Japan
Germany
France
Switzerland
China
Inner Diameter(mm)
Circumference(mm)
5
J 1/2
9
15.75
49
15.7
49.3
6
L 1/2
12
16.5
51.5
11.5
51.8
7
O
14
17.25
54
17.3
54.4
8
Q
16
18
56.5
18.1
56.9
S
19
59
18.9
59.5
10
T 1/2
20
61.5
21.5
19.8
62.1
11
V 1/2
23
20.75
64
24
20.6
64.6
Y
25
21.25
66.5
27.5
21.4
67.2
