Ring Size Guide


INTERNAL DIAMETER (MM)

EU

US

UK
 15.9 50 5 1⁄4 K
 16.2 51

16.6 52 6 L 1⁄2
16.9 53

17.2 54 6 3⁄4 N
17.5 55 7 1⁄4 O
17.73 55.7 7 1⁄2 O 1⁄2
17.8 56

18.1 57 8 P 1⁄2
18.5 58

18.75 58.9 8 3⁄4 R