US, British & European Ring Sizes

The most common U.S.A. ring sizes for women are 6 and 7. For men, sizes 10 and 11 are most common.

• The U.S.A. uses a numeric ring size system from 1-13
• UK Ring sizes use an alphabetic system from A-Z
• The European ring size system is numeric from 38-70. It is the interior circumference measurement in millimeters.