Size Chart
Ring Size Conversion Chart
Use the below size conversion chart to find your US size if you already know your ring size in another measurement. For measuring your fingers, check out our ring size guide.
|
US |
UK, Australia |
Diameter |
Circumference (mm) |
Spain, Italy, Netherlands, Switzerland |
|
3 |
F |
14.05 |
44.0 |
4.00 |
|
3.25 |
G |
14.25 |
44.6 |
4.50 |
|
3.5 |
14.45 |
45.2 |
5.25 |
|
|
3.75 |
H |
14.65 |
45.9 |
6.00 |
|
4 |
H 1/2 |
14.86 |
46.5 |
6.50 |
|
4.25 |
I |
15.04 |
47.1 |
7.00 |
|
4.5 |
I 1/2 |
15.27 |
47.8 |
7.75 |
|
4.75 |
J |
15.53 |
48.4 |
8.50 |
|
5 |
K |
15.80 |
49.3 |
9.25 |
|
5.25 |
15.90 |
49.6 |
9.50 |
|
|
5.5 |
L |
16.10 |
50.3 |
10.25 |
|
5.75 |
16.30 |
50.9 |
11.00 |
|
|
6 |
M |
16.51 |
51.5 |
11.50 |
|
6.25 |
M 1/2 |
16.71 |
52.2 |
12.25 |
|
6.5 |
N |
16.92 |
52.8 |
12.75 |
|
6.75 |
N 1/2 |
17.13 |
53.4 |
13.50 |
|
7 |
O |
17.35 |
54.0 |
14.00 |
|
7.25 |
O 1/2 |
17.45 |
54.7 |
14.75 |
|
7.5 |
P |
17.75 |
55.3 |
15.25 |
|
7.75 |
P 1/2 |
17.97 |
55.9 |
16.00 |
|
8 |
Q |
18.19 |
56.6 |
16.50 |
|
8.25 |
Q 1/2 |
18.35 |
57.2 |
17.25 |
|
8.5 |
18.53 |
57.8 |
17.75 |
|
|
8.75 |
R |
18.69 |
58.4 |
18.50 |
|
9 |
18.89 |
59.1 |
19.00 |
|
|
9.25 |
S |
19.22 |
59.7 |
19.75 |
|
9.5 |
19.41 |
60.3 |
20.25 |
|
|
9.75 |
T |
19.62 |
60.9 |
21.00 |
|
10 |
T 1/2 |
19.84 |
61.6 |
21.50 |
|
10.25 |
U |
20.02 |
62.2 |
22.25 |
|
10.5 |
U 1/2 |
20.20 |
62.8 |
22.75 |
|
10.75 |
V |
20.44 |
63.5 |
23.50 |
|
11 |
V 1/2 |
20.68 |
64.1 |
24.00 |
|
11.25 |
W |
20.85 |
64.7 |
24.75 |
|
11.5 |
21.08 |
65.3 |
25.25 |
|
|
11.75 |
X |
21.24 |
66.0 |
26.00 |
|
12 |
Y |
21.49 |
66.6 |
26.50 |
