RING SIZE CHART
UK
USA
Diameter (mm)
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
3.75
4.25
4.75
5.25
5.75
6.25
6.75
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
12.5
14.9
15.3
15.5
15.9
16.3
16.7
17.1
17.5
17.9
18.3
18.7
19.2
19.6
20.0
20.4
20.8
21.2
21.6
21.8