Ring Size Chart

Diameter

(mm)

EU

UK / AU / NZ

US / CA

16 50 J-K 5
16.2 51 K-L 5.5
16.5 52 L-L1/2 6
16.9 53 M 6.5
17.2 54 N 7
17.5 55 O 7.25
17.8 56 O-P 7.5
18.1 57 P 8
18.5 58 P1/2-Q1/2 8.5
18.8 59 R 8.75
19 60 R1/2-S 9
19.8 62 T1/2 10
20.4 64 V 10.5