リングサイズ表
サイズ(号) |
内径(mm) |
円周(mm) |
3 |
13.7 |
42.9 |
4 |
14.0 |
44.0 |
5 |
14.4 |
45.0 |
6 |
14.7 |
46.1 |
7 |
15.0 |
47.1 |
8 |
15.4 |
48.2 |
9 |
15.7 |
49.2 |
10 |
16.0 |
50.3 |
11 |
16.4 |
51.3 |
12 |
16.7 |
52.4 |
13 |
17.0 |
53.4 |
14 |
17.4 |
54.5 |
15 |
17.7 |
55.5 |
16 |
18.0 |
56.5 |
17 |
18.4 |
57.6 |
18 |
18.7 |
58.6 |
19 |
19.0 |
59.7 |
20 |
19.4 |
60.7 |
21 |
19.7 |
61.8 |
22 |
20.0 |
62.8 |
23 |
20.4 |
63.9 |
24 |
20.7 |
64.8 |
25 |
21.0 |
66.0 |
ベビーリングサイズ表
サイズ(号) |
内径(mm) |
円周(mm) |
P15 |
8 |
25.1 |
P14 |
8.4 |
26.3 |
P13 |
8.7 |
27.3 |
P12 |
9 |
28.3 |
P11 |
9.4 |
29.5 |
P10 |
9.7 |
30.4 |
P9 |
10 |
31.4 |
P8 |
10.4 |
32.7 |
P7 |
10.7 |
33.6 |
P6 |
11 |
34.6 |
P5 |
11.4 |
35.8 |
P4 |
11.7 |
36.7 |
P3 |
12 |
37.7 |
P2 |
12.4 |
38.9 |
P1 |
12.7 |
39.9 |
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