The American ring size comparison table is the common ring size standard of the American ring brand, and its number ranges from 5 to 12, the diameter ranges from 15.7mm to 21.4mm, and the circumference ranges from 49.3mm to 67.2mm. The diameter of the US ring No. 7 in the US ring size comparison table is 17.3mm and the circumference is 54.5mm, which is equivalent to the 14th ring in the Chinese ring size standard and belongs to the female ring size.
