The ring size standard table used in different countries and regions is different, and the mainland version and Hong Kong version are currently used more in China.
1. Hong Kong edition
The size circle of the Hong Kong version ranges from 7 to 25. Ring No. 18 corresponds to a circumference of 60mm and a diameter of 18.2mm.
Second, ring size measurement method
If you want to measure the size of the ring, you can measure it in the following ways.
2. Refer to old rings
If you just don't know the specific size, but you already have a ring of the right size, you may wish to directly use the old ring. Put the appropriate size of the old ring on the paper, draw a line along the inner circle, according to the inner circle line to measure the size of the ring.