Ring size chart
Coversion table from letters (UK sizes) to numbers (US sizes)
for rings sizes
| UK Size |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
| US Size |
3 |
3⅜ |
3¾ |
4¼ |
4⅝ |
5⅛ |
5½ |
6 |
6½ |
7 |
7½ |
8 |
8⅝ |
9⅛ |
9⅝ |
10¼ |
10⅝ |
11⅛ |
11⅝ |
12 |
12½ |
| mm
Circum. |
44 |
44.9 |
45.9 |
47.1 |
48.1 |
49.3 |
50.3 |
51.5 |
52.8 |
54 |
55.3 |
56.6 |
58.4 |
59.4 |
60.6 |
62.2 |
63.1 |
64.3 |
65.7 |
66.6 |
67.9 |
| mm
Diameter |
14.1 |
14.4 |
14.7 |
15 |
15.4 |
15.8 |
16.1 |
16.5 |
16.9 |
17.4 |
17.8 |
18.2 |
18.6 |
19.1 |
19.5 |
20 |
20.3 |
20.8 |
21.2 |
21.5 |
21.9 |
|
|
|
 |
|
