Around
finger(mm) |
JP |
US |
ISO
JIS
FR |
EU
IT |
UK |
DE |
| 41 |
1 |
1.8 |
40.8 |
0.8 |
Ｃ 7/10 |
13 |
| 42 |
2 |
2.2 |
41.9 |
1.9 |
Ｄ 5/10 |
13 1/4 |
| 43 |
3 |
2.6 |
42.9 |
2.9 |
Ｅ 3/10 |
13 3/4 |
| 44 |
4 |
3.0 |
44.0 |
4.0 |
Ｆ 2/10 |
14 |
| 45 |
5 |
3.4 |
45.0 |
5.0 |
Ｇ 0/10 |
14 1/4 |
| 46 |
6 |
3.8 |
46.1 |
6.1 |
G 9/10 |
14 3/4 |
| 47 |
7 |
4.2 |
47.1 |
7.1 |
H 7/10 |
15 |
| 48 |
8 |
4.6 |
48.2 |
8.2 |
I 5/10 |
15 1/4 |
| 49 |
9 |
5.0 |
49.2 |
9.2 |
J 4/10 |
15 3/4 |
| 50 |
10 |
5.4 |
50.3 |
10.3 |
K 2/10 |
16 |
| 51 |
11 |
5.8 |
51.3 |
11.3 |
L 0/10 |
16 1/4 |
| 52 |
12 |
6.2 |
52.4 |
12.4 |
L 9/10 |
16 3/4 |
| 53 |
13 |
6.6 |
53.4 |
13.4 |
M 7/10 |
17 |
| 54 |
14 |
7.0 |
54.5 |
14.5 |
N 6/10 |
17 1/4 |
| 55 |
15 |
7.4 |
55.5 |
15.5 |
O 4/10 |
17 3/4 |
| 56 |
16 |
7.8 |
56.5 |
16.5 |
P 2/10 |
18 |
| 57 |
17 |
8.2 |
57.6 |
17.6 |
Q 1/10 |
18 1/4 |
| 58 |
18 |
8.6 |
58.6 |
18.6 |
Q 9/10 |
18 3/4 |
| 59 |
19 |
9.0 |
59.7 |
19.7 |
R 8/10 |
19 |
| 60 |
20 |
9.4 |
60.7 |
20.7 |
S 6/10 |
19 1/4 |
| 61 |
21 |
9.8 |
61.8 |
21.8 |
T 4/10 |
19 3/4 |
| 62 |
22 |
10.2 |
62.8 |
22.8 |
U 3/10 |
20 |
| 63 |
23 |
10.6 |
63.9 |
23.9 |
V 1/10 |
20 1/4 |
| 64 |
24 |
11.0 |
64.9 |
24.9 |
V 9/10 |
20 3/4 |
| 65 |
25 |
11.4 |
66.0 |
26.0 |
W 8/10 |
21 |
| 66 |
26 |
11.8 |
67.0 |
27.0 |
X 6/10 |
21 1/4 |
| 67 |
27 |
12.2 |
68.1 |
28.1 |
Y 5/10 |
21 3/4 |
| 68 |
28 |
12.6 |
69.1 |
29.1 |
Z 3/10 |
22 |
| 69 |
29 |
13.0 |
70.2 |
30.2 |
Z+1 1/10 |
22 1/4 |
| 70 |
30 |
13.4 |
71.2 |
31.2 |
Z+1 9/10 |
22 3/4 |
| 71 |
31 |
13.8 |
72.3 |
32.3 |
Z+2 8/10 |
23 |
| 72 |
32 |
14.2 |
73.3 |
33.3 |
Z+3 6/10 |
23 1/4 |
| 73 |
33 |
14.6 |
74.4 |
34.4 |
Z+4 5/10 |
23 3/4 |
| 74 |
34 |
15.0 |
75.4 |
35.4 |
Z+5 3/10 |
24 |
| 75 |
35 |
15.4 |
76.4 |
36.5 |
Z+6 1/10 |
24 1/4 |
| 76 |
36 |
15.8 |
77.5 |
37.5 |
Z+6 9/10 |
24 3/4 |
If you don’t know your ring size, please use this chart. When you’re ordering a ring the width of over 12mm; we recommend you to purchase 1 larger size.
