Knot Theory's ring sizes follow the US standard ring sizes, however your silicone ring size can be different from your metal ring size! Usually your silicone ring is 1 size smaller than your metal ring, because it is flexible and contours your finger better.

 

Method #1: Watch the ring sizing video and reference this size guide below:

Method #2:
Print out this ring sizer: Click here to print Knot Theory ring sizing tool