Rings size chart - inches
Size: | Inside diameter: | Inside circumference: | USA/Canada sizing | UK/Ireland/Australia sizing |
---|---|---|---|---|
(in) | (in) | |||
11,25 | 0.64 | 2.01 | 5 3/4 | L |
11,75 | 0.65 | 2.04 | 6 | L 1/2 |
12 1/2 | 0.655 | 2.06 | 6 1/4 | M |
13 | 0.66 | 2.08 | 6 1/2 | M 1/2 |
14 1/3 | 0.68 | 2.14 | 7 | N 1/2 |
16,25 | 0.7 | 2.22 | 7 3/4 | P |
17 1/2 | 0.72 | 2.26 | 8 1/3 | Q |
18 | 0.73 | 2.28 | 8 1/2 | Q 1/2 |
18,8 | 0.732 | 2.31 | 8 3/4 | R |
19,5 | 0.746 | 2.34 | 9 | R 1/2 |
20 | 0.75 | 2.36 | 9 1/4 | S |
21 | 0.76 | 2.4 | 9 1/2 | S 3/4 |
22 | 0.778 | 2.44 | 9 7/8 | T 1/2 |
22 1/2 | 0.78 | 2.46 | 10 1/4 | U |
23 | 0.79 | 2.48 | 10 3/8 | U 1/2 |
23 3/4 | 0.793 | 2.51 | 10 5/8 | V |
24 1/4 | 0.8 | 2.53 | 10 7/8 | V 1/2 |
24 3/4 | 0.81 | 2.54 | 11 | V 3/4 |
26 | 0.82 | 2.59 | 11 1/2 | W 3/4 |
26 1/4 | 0.83 | 2.6 | 11 5/8 | X |
27 | 0.832 | 2.63 | 11 7/8 | X 1/2 |
27 1/8 | 0.84 | 2.64 | 12 | X 3/4 |
28 3/4 | 0.86 | 2.7 | 12 5/8 | Z |
29 | 0.863 | 2.71 | 12 6/8 | Z 1/4 |
29 1/3 | 0.87 | 2.73 | 12 7/8 | Z 1/2 |
29,5 | 0.88 | 2.77 | 13 3/8 | Z + 1/2 |
Z++ | 0.89 | 2.8 | 13 1/2 | Z++ |
32,5 | 0.90 | 2.83 | 13 7/8 | Z ++ 1/2 |
34,75 | 0.902 | 2.85 | 14 1/4 | Z+++ |
Z+3 1/2 | 0.91 | 2.87 | 14 1/4 | Z+3 1/2 |
Z++++ | 0.92 | 2.9 | 14 5/8 | Z++++ |
Z++++.9 | 0.93 | Z++++.9 |