Ring Size Conversion Chart
Australia/UK US Japan Hong Kong
F 3 4 6
3.25 5 7
G 3.5 6 8
3.75 7 9
H 4 7 9
4.25 8 10
I 4.5 9 11
4.75 10 12
J 5 10 12
5.25 11 13
K 5.5 11 14
5.75 12 15
L 6 13 16
6.25 13 17
M 6.5 14 17
6.75 15 18
N 7 15 19
7.25 16 20
O 7.5 16 20
7.75 17 21
P 8 18 22
8.25 18 23
Q 8.5 19 24
8.75 20 25
R 9 21 26
9.25 22 27
S 9.5 22 28
9.75 23 29
T 10 23 29
10.25 24 30
U 10.5 25 31
10.75 26 32
V 11 26 33
11.25 27 34
W 11.5 28 35
11.75 29 36
X 12 30 37
12.25 31 38
Y 12.5 31 39
Z 12.75 32 40