How to Determine Ring Size?

One way you can check ring size is to wrap a piece of string around the finger in question, making sure your skin is warm and that it goes over the knuckle. Measure the length carefully. Size 5.5 = 2 inches. Sizes increase by 1/16th of an inch, for example size 6 = 2 1/16 inches, size 7 = 2 3/16 inches, and so on. Look here for more information: