5.5cm refers to a ring with a circumference of 55mm. Currently, the mainstream ring size standards in the market are divided into four types: Hong Kong version ring size, mainland version ring size, American version ring size, and European version ring size. They all have rings with a circumference of 55mm, and the specific selection needs to be based on the comparison table used by the store.
Mainland version ring size comparison chart
As shown in the table below,
The mainland version of the ring with a circumference of 55mm corresponds to size 15 and a diameter of 17.5mm.
Hong Kong Ring Size Comparison Table
According to the table below
know
The ring with a circumference of 55mm corresponds to the Hong Kong version number 13 and a diameter of 16.5mm.
US Ring Size Comparison Table
According to the table below
know
The ring with a circumference of 55mm corresponds to the US size 8 and a diameter of 18.1mm.
European Ring Size Comparison Table
According to the table below
know
The ring with a circumference of 55mm corresponds to the European size 55 and a diameter of 17.51mm.
