The ring size range in China is 4-26, the ring size range in Europe is 44-61, and the ring size range in the United States is 5-12. Therefore, the ring size 22 belongs to the Chinese size. Please check the ring size comparison table in Chinese Mainland or Hong Kong.
Mainland version ring size comparison chart
According to the table below, the mainland version of ring size 22 has an inner circumference of 62mm and a diameter of 19.7mm.
Hong Kong Ring Size Comparison Table
As shown in the table below,
The inner circumference of the Hong Kong version of ring 22 is 63.5mm and the diameter is 20.2mm.