Ring Size Chart
日本 | 円周(mm) | US | UK |
1 | 40.8 | 1 ½ | C |
2 | 41.9 | 2 | D |
3 | 42.9 | 2 ½ | E |
4 | 44 | 3 | F |
5 | 45 | 3 ½ | G |
6 | 46 | 3 ¾ | G ½ |
7 | 47.1 | 4 | H |
8 | 48.1 | 4 ½ | I |
9 | 49.2 | 4 ¾ | J |
10 | 50.3 | 5 ¼ | K |
11 | 51.3 | 5 ¾ | L |
12 | 52.4 | 6 ¼ | M |
13 | 53.4 | 6 ¾ | N |
14 | 54.5 | 6 ½ | N ½ |
15 | 55.5 | 7 ¼ | O |
16 | 56.6 | 7 ¾ | P |
17 | 57.6 | 8 ¼ | Q |
18 | 58.6 | 8 ¾ | R |
19 | 59.7 | 9 ¼ | S |
20 | 60.7 | 9 ½ | S ½ |
21 | 61.8 | 9 ¾ | T |
22 | 62.8 | 10 ¼ | U |
23 | 63.9 | 10 ¾ | V |
24 | 64.9 | 11 ¼ | W |
25 | 66 | 11 ½ | W ½ |
26 | 67 | 11 ¾ | X |
27 | 68 | 12 ¼ | Y |
28 | 69.1 | 12 ½ | Z |