RING SIZE CHART

UK, EU &

AU

US & CA

INSIDE

DIAMETER (mm)

INSIDE

CIRCUMFERENCE (mm)

F

3

14.1

44.2

G

3 3/4 14.5 45.5

H

4 14.9 46.9
I 4 1/2 15.3 48
J 4 3/4 15.5 48.7
K 5 1/4 15.9 50
L 5 3/4 16.3 51.2
M 6 1/4 16.7 52.5
N 6 3/4 17.1 53.8
O 7 1/4 17.5 55.1
P 7 3/4 17.9 56.3
Q 8 1/4 18.3 57.6
R 8 3/4 18.8 58.9
S 9 1/4 19.2 60.2
T 9 3/4 19.6 61.4
U 10 1/4 20 62.7
V 10 3/4 20.4 64
W 11 1/4 20.8 65.3
X 11 3/4 21.2 66.6
Y 12 1/4 21.6 67.8
Z 12 1/2 21.8 68.5