Ring Sizing
First, select a ring that fits the finger.
Next, measure the diameter opening of that ring.
Use the chart below to determine your ring size.
INTERNAL DIAMETER (MM)
Australian Size Inside diameter ( mm )
F 14.1
G 14.5
H 14.9
I 15.3
J 1/2 15.7
K 1/2 16.1
L 1/2 16.5
M 1/2 16.9
N 1/2 17.3
O 1/2 17.7
P 1/2 18.1
Q 1/2 18.5
R 1/2 19
S 1/2 19.4
T 1/2 19.8
U 1/2 20.2
V 1/2 20.6
W 1/2 21
X 1/2 21.4
Z 21.8
Z 1/2 22.5
Z+2 22.9
Z+3 23.2
