Ring Size Conversion Chart
Sizing Tips
When choosing a ring size:
Choose the ring size of the largest finger you’ll be wearing the ring on. When measuring, round to the closest whole millimeter.
| RING SIZE (MM) |
USA/CANADA
|
UNITED KINGDOM
|
FRANCE
|
GERMANY
|
JAPAN
|
SWITZERLAND
|
| 14.0 mm. |
3 |
F |
44 |
14 |
4 |
4 |
| 14.4 mm. |
3½ |
G |
45¼ |
14½ |
5½ |
6⅓ |
| 14.8 mm. |
4 |
H½ |
46½ |
15 |
7 |
6½ |
| 15.2 mm. |
4½ |
I½ |
47¾ |
15¼ |
8 |
8 |
| 15.6 mm. |
5 |
J½ |
49 |
15¾ |
9 |
9½ |
| 16.0 mm. |
5½ |
L |
50¾ |
16 |
10½ |
10¾ |
| 16.5 mm. |
6 |
M |
51½ |
16½ |
12 |
12¾ |
| 16.9 mm. |
6½ |
N |
52¾ |
17 |
13 |
14 |
| 17.3 mm. |
7 |
O |
54 |
17¼ |
14 |
15¼ |
| 17.7 mm. |
7½ |
P |
55¼ |
17¾ |
15 |
16½ |
| 18.2 mm. |
8 |
Q |
56¾ |
18 |
16 |
17¾ |
| 18.6 mm. |
8½ |
Q½ |
58 |
18½ |
17 |
18½ |
| 19.0 mm. |
9 |
R½ |
59¼ |
19 |
18 |
20 |
| 19.4 mm. |
9½ |
S½ |
60¾ |
19½ |
19 |
21 |
| 19.8 mm. |
10 |
T½ |
61¾ |
20 |
20 |
21¾ |
| 20.2 mm. |
10½ |
U½ |
62¾ |
20¼ |
22 |
22¾ |
| 20.6 mm. |
11 |
V½ |
64¼ |
20¾ |
23 |
24 |
| 21.0 mm. |
11½ |
W½ |
66 |
21 |
24 |
25¾ |
| 21.4 mm. |
12 |
Y |
67¼ |
21¼ |
25 |
27½ |
| 21.8 mm. |
12½ |
Z |
68 |
21¾ |
26 |
28¾ |
| 22.2 mm. |
13 |
- |
69 |
22 |
27 |
29¼ |
| 22.6 mm. |
13½ |
- |
- |
- |
- |
- |
|
