A ring with a diameter of 2 centimeters means that the inner diameter of the ring is 20mm. Currently, the mainstream ring size standards on the market are divided into four types: mainland ring size, Hong Kong ring size, American ring size, and European ring size. They all have rings with a diameter of 20mm, and the specific selection needs to be based on the comparison table used by the store.
Mainland version ring size comparison chart
According to the table below, the mainland version size corresponding to a ring with a diameter of 20mm is around 22-23, and the circumference is around 63mm.
Hong Kong Ring Size Comparison Table
According to the table below
know
The ring with a diameter of 20mm corresponds to the Hong Kong version number 23, with a circumference of 65mm.
US Ring Size Comparison Table
According to the table below
know
A ring with a diameter of 20mm corresponds to a US size of around 10-11 and a circumference of around 64mm.
European Ring Size Comparison Table
According to the table below
know
The ring with a diameter of 20mm corresponds to the European size 63, with a circumference of 63mm.
