Ring Size Guide and Conversion

Cirumference Diameter US Canada
mm inch mm inch
46.8 1.84 46.8 1.84 4
48.0 1.89 48.0 1.89 4.5
49.3 1.94 49.3 1.94 5
50.5 1.99 50.5 1.99 5.5
51.8 2.04 51.8 2.04 6
53.1 2.09 53.1 2.09 6.5
54.4 2.14 54.4 2.14 7
55.6 2.19 55.6 2.19 7.5
56.9 2.24 56.9 2.24 8
58.2 2.29 58.2 2.29 8.5
59.5 2.34 59.5 2.34 9
60.7 2.39 60.7 2.39 9.5
62.1 2.44 62.1 2.44 10
63.3 2.49 63.3 2.49 10.5
64.6 2.54 64.6 2.54 11
65.8 2.59 65.8 2.59 11.5
67.2 2.65 67.2 2.65 12
68.3 2.69 68.3 2.69 12.5
69.7 2.74 69.7 2.74 13
71.0 2.80 71.0 2.80 13.5
72.3 2.85 72.3 2.85 14