Ring Measurement Chart
| UK / TD SIZES |
French |
German |
USA |
Diameter(mm) |
| H |
46.5 |
14.75 |
3.75 |
14.88 |
| I |
47.75 |
15.25 |
4.25 a |
15.29 |
| J |
49 |
15.5 |
4.63 |
15.49 |
| K - XSML = 5 |
50.25 |
16 |
5.12 |
15.9 |
L - SMALL = 6
|
51.5 |
16.25 |
5.5 |
16.31 |
M - SMALL = 6
|
52.75 |
16.75 |
6.25 |
16.71 |
N - MEDIUM = 7
|
54 |
17.25 |
6.5 |
17.12 |
O - MEDIUM = 7
|
55 |
17.5 |
7 |
17.53 |
P - LARGE = 8
|
56.5 |
18 |
7.5 |
17.93 |
Q - LARGE = 8
|
57.75 |
18.25 |
8 |
18.34 |
| R |
59 |
18.75 |
8.63 |
18.75 |
| S |
60 |
19 |
9 |
19.15 |
| T |
61.25 |
19.5 |
9.63 |
19.56 |
| U |
62.5 |
19.75 |
10.25 |
19.96 |
| V |
63.75 |
20.25 |
10.63 |
20.37 |
| W |
65 |
20.5 |
11.12 |
20.78 |
| X |
66.25 |
21 |
11.63 |
21.18 |
| Y |
67.5 |
21.5 |
12 |
21.59 |
| Z |
68.75 |
21.7 |
12.5 |
21.79 |
