Ring Size Guide
|
Diameter (mm)
|
Circumference (mm)
|
AU / NZ
|
US / CA
|
|
15.1
|
47.43
|
I
|
4 1/2
|
|
15.5
|
48.69
|
J
|
4 3/4
|
|
16.0
|
50.26
|
K
|
5 1/4
|
|
16.3
|
51.20
|
L
|
5 3/4
|
|
16.7
|
52.46
|
M
|
6 1/4
|
|
17.1
|
53.72
|
N
|
6 3/4
|
|
17.4
|
54.66
|
O
|
7 1/4
|
|
17.7
|
55.60
|
P
|
7 3/4
|
|
18.1
|
56.86
|
Q
|
8 1/4
|
|
18.5
|
58.11
|
R
|
8 3/4
|
|
18.9
|
59.37
|
S
|
9 1/4
|
|
19.4
|
60.94
|
T
|
9 3/4
|
|
19.8
|
62.20
|
U
|
10 1/4
|
|
20.3
|
63.77
|
V
|
10 3/4
|