Ring Size Chart
US, Canada |
IRE, UK, AUS |
Inside Diameter (mm) |
Circumference (mm) |
3 |
F |
14.1 |
44.2 |
3.5 |
G |
14.5 |
45.4 |
4 |
H |
14.9 |
46.7 |
4.5 |
I |
15.3 |
48 |
5 |
J |
15.7 |
49.3 |
5.5 |
K |
16.1 |
50.6 |
6 |
L |
16.5 |
51.9 |
6.5 |
M |
16.9 |
53.2 |
7 |
N |
17.3 |
54.5 |
7.5 |
O |
17.7 |
55.8 |
8 |
P |
18.2 |
57.2 |
8.5 |
Q |
18.5 |
58.2 |
9 |
R |
18.9 |
59.3 |
9.5 |
S |
19.4 |
61 |
10 |
T |
19.8 |
62.3 |
10.5 |
U |
20.2 |
63.5 |
11 |
V |
20.7 |
65 |
11.5 |
W |
21.1 |
66.2 |