Ring size guide

SIZE Internal diameter (mm) Internal diameter (inch)
8 15.3mm 0.60in
10 15.9mm 0.63in
12 16.5mm 0.65in
14 17.2mm 0.67in
16 17.8mm 0.70in
18 18.4mm 0.73in

SIZE
Spain Italy
France/Germany
United Kingdom/Australia
USA/Canada
Japan China
8
8
48
I.J.
4.5 - 5
8
10
10
fifty
K
5.5
9
12
12
52
L - M
6 - 6.5
eleven
14
14
54
N
6.75 - 7
13
16
16
56
O-P
7.5
fifteen
18
18
58
Q
8
17