On our website the ring size refers to the Italian sizes.


Finger circumference (mm) IT ISO
US
50.6
10 50 5 ¼
51.2
11 51 5 ¾
52.5
12 52 6
53.1
13 53 6 ½
54.4
14
54 6 ¾
55.0
15 55 7 ¼
56.3
16 56 7 ¾
57.6
17 57 8
58.2
18 58 8 ½
59.5
19 59 8 ¾
60.1
20 60 9 ¼
61.4
21
61
9 ½
62.1
22
62
10
63.3
23 63
10 ¼
64.0
24 64
10 ¾
65.2
25 65
11
66.5
26 66
11 ½
67.2
27 67
11 ¾
68.4
28 68
12 ¼
69.1
29 69
12 ¾
70.3
30 70
13