Sizing Conversion

Find your ring size

The following guide shows the ring sizes in diameter millimetres (mm) and the equivalent

USA/Canada sizes, and UK/Ireland/Australia and New Zealand sizes.

MM USA UK/Ireland

15.9mm- 5.5 k

16.3mm- 6 L

16.7MM- 6.5. M

17.1MM- 7 N

17.5mm -   7.5               O  

17.9mm -    8                 P  

18.3mm -   8.5              Q 

18.8mm -    9                R  

19.2mm -   9.5              S  

19.6mm -   10                T  

The best method really is to go to a local jeweller that you trust and ask them to measure your finger or if it is a gift you can take the ring of the person in to be sized using a jewellers ring sizer, and find the exact size that fits both snugly and comfortably.