Ring sizing

Ring sizes are categorized into groups: 

US Size

Inner diameter mm

UK Size

SA Size

Size 5

15.7 

J 1/2

Extra Small

Size 6

16.5

L 1/2

Small

Size 7

17.3

N 1/2

Medium

Size 8

18.1

P 1/2

 Large

Size 9

18.9

R1/2

X Large

 

To measure your ring size, use a piece of cardboard or wire and warp it around the finger the ring is going to be on. Make sure the two ends meet. Straighten up the piece and measure the piece. Match the diameter to the table below: