Ring Size Guide
CHOOSING THE RIGHT RING SIZE
If you are unsure about your ring size, this sizing chart will help you determine your perfect size. Measure the inside diameter of another ring that fits on the same finger and use the chart below to determine the correct ring size. It is best to measure twice for accuracy.
UK |
US |
Europe |
Inside Diameter (mm) |
Inside Diameter (inches) |
|
A |
½ |
38 |
12.1 |
0.47 |
|
B |
1 |
39 |
12.4 |
0.49 |
|
C |
1 ½ |
40.5 |
12.8 |
0.50 |
|
D |
2 |
42.5 |
13.2 |
0.52 |
|
E |
2 ½ |
43 |
13.6 |
0.54 |
|
F |
3 |
44 |
14.0 |
0.55 |
|
G |
3 ¼ |
45 |
14.2 |
0.56 |
|
H |
3 ¾ |
46.5 |
14.6 |
0.57 |
|
I |
4 ¼ |
48 |
15.0 |
0.59 |
|
J |
4 ¾ |
49 |
15.4 |
0.61 |
|
K |
5 ¼ |
50 |
15.8 |
0.62 |
|
L |
5 ¾ |
51.5 |
16.2 |
0.64 |
|
M |
6 ¼ |
53 |
16.6 |
0.65 |
|
N |
6 ¾ |
54 |
17.0 |
0.67 |
|
O |
7 |
55.5 |
17.2 |
0.68 |
|
P |
7 ½ |
56.5 |
17.6 |
0.69 |
|
Q |
8 |
58 |
18.0 |
0.71 |
|
R |
8 ½ |
59 |
18.4 |
0.72 |
|
S |
9 |
60 |
18.8 |
0.74 |
|
T |
9 ½ |
61 |
19.2 |
0.76 |
|
U |
10 |
62.5 |
19.6 |
0.77 |
|
V |
10 ½ |
64 |
20.0 |
0.79 |
|
W |
11 |
65 |
20.4 |
0.80 |
|
X |
11 ½ |
66 |
20.8 |
0.82 |
|
Y |
12 |
68 |
21.2 |
0.83 |
|
Z |
12 ½ |
69 |
21.6 |
0.85 |