Work out your local ring size here.
The measurements in this chart contain conversions and are approximate.
If your size does NOT quite match an Australian size go to the next letter size up!
Circumference mm | Diameter mm | UK/Aust | US | Japan | Europe |
---|---|---|---|---|---|
37.6 | 11.97 | A | 1/2 | ||
38.8 | 12.36 | B | |||
38.8 | 12.37 | 1 | |||
40.0 | 12.75 | C | |||
40.1 | 12.78 | 1 1/2 | |||
40.8 | 13.00 | 1 | |||
40.9 | 13.04 | 1 | |||
41.3 | 13.14 | D | |||
41.5 | 13.21 | 2 | |||
41.9 | 13.33 | 2 | |||
41.9 | 13.35 | 2 | |||
42.5 | 13.53 | E | |||
42.7 | 13.61 | 2 1/2 | |||
42.9 | 13.67 | 3 | 3 | ||
43.7 | 13.92 | F | |||
44.0 | 14.00 | 4 | 4 | ||
44.1 | 14.05 | 3 | |||
44.9 | 14.31 | G | |||
45.0 | 14.33 | 5 | 5 | ||
45.4 | 14.45 | 3 1/2 | |||
46.0 | 14.65 | 6 | 6 | ||
46.2 | 14.70 | H | |||
46.7 | 14.86 | 4 | |||
46.9 | 14.95 | 7 | |||
47.1 | 15.00 | 7 | |||
47.4 | 15.09 | I | |||
47.9 | 15.27 | 4 1/2 | 8 | ||
48.1 | 15.33 | 8 | |||
48.6 | 15.48 | J | |||
49.0 | 15.59 | 9 | |||
49.2 | 15.66 | 9 | |||
49.3 | 15.70 | 5 | |||
49.8 | 15.87 | K | |||
49.9 | 15.90 | 10 | |||
50.2 | 16.00 | 10 | |||
50.6 | 16.10 | 5 1/2 | |||
51.0 | 16.24 | L | 11 | ||
51.3 | 16.33 | 11 | |||
51.9 | 16.53 | 6 | 12 | ||
52.3 | 16.66 | M | 12 | ||
53.0 | 16.87 | 6 1/2 | 13 | ||
53.4 | 17.00 | N | 13 | ||
53.9 | 17.17 | 14 | |||
54.4 | 17.33 | 7 | 14 | ||
54.8 | 17.45 | O | |||
55.0 | 17.50 | 15 | |||
55.5 | 17.66 | 15 | |||
55.7 | 17.75 | 7 1/2 | |||
56.0 | 17.83 | P | 16 | ||
56.5 | 18.00 | 16 | |||
56.9 | 18.13 | 17 | |||
57.1 | 18.19 | 8 | |||
57.4 | 18.27 | Q | |||
57.6 | 18.33 | 17 | |||
57.9 | 18.45 | 18 | |||
58.4 | 18.59 | 8 1/2 | |||
58.6 | 18.66 | R | 18 | ||
59.0 | 18.78 | 19 | |||
59.7 | 19.00 | 9 | 19 | ||
59.9 | 19.09 | S | 20 | ||
60.7 | 19.33 | 20 | |||
60.9 | 19.41 | 9 1/2 | 21 | ||
61.2 | 19.50 | T | |||
61.7 | 19.66 | 21 | |||
62.0 | 19.73 | 22 | |||
62.3 | 19.84 | 10 | |||
62.5 | 19.91 | U | |||
62.8 | 20.00 | 22 | |||
63.0 | 20.06 | 23 | |||
63.6 | 20.24 | 10 1/2 | |||
63.8 | 20.33 | V | 23 | ||
64.0 | 20.37 | 24 | |||
64.9 | 20.66 | 11 | 24 | ||
65.0 | 20.69 | 25 | |||
65.9 | 21.00 | 11 1/2 | 25 | 26 | |
65.1 | 20.73 | W | |||
66.4 | 21.14 | X | |||
67.0 | 21.33 | 26 | 27 | ||
67.5 | 21.49 | 12 | |||
67.7 | 21.55 | Y | |||
68.0 | 21.66 | 27 | 28 | ||
68.7 | 21.89 | 12 1/2 | |||
69.0 | 21.96 | Z | 28 | 29 | |
69.9 | 22.26 | 30 | |||
70.1 | 22.33 | Z + 1 | 13 | 29 | |
71.0 | 22.60 | 31 | |||
71.2 | 22.69 | Z + 2 | 30 | ||
72.0 | 22.92 | 32 | |||
72.4 | 23.06 | Z + 3 | 31 | ||
73.0 | 23.24 | 33 | |||
73.7 | 23.47 | Z + 4 | |||
73.9 | 23.55 | 34 | |||
75.0 | 23.87 | Z + 5 | 35 | ||
76.2 | 24.27 | Z + 6 | |||