Ring Size Guide

Diameter UK US European
16.56 mm l - l1/2 6 52
16.9 mm m 6.5 53
17.2 mm n1/2 7 54
17.5 mm o 7.25 55
17.8 mm o - p 7.5 56
18.1 mm p1/2 8 57
18.5 mm p1/2 - q1/2 8.5 58
18.8 mm r 8.75 59
19 mm r1/2 9 60
19.8 mm t1/2 10 62
20.4 mm v 10.5

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