The size range of Chinese rings is 4-26, that of European rings is 44-61, and that of American rings is 5-12. Therefore, the size of No. 15 belongs to China. Please check the ring size comparison table of Chinese Mainland or Hong Kong version.
Mainland version ring size comparison chart
According to the table below, the inner diameter of the mainland version No. 15 ring is 17.5mm, and the inner circumference is 55mm.
Hong Kong Ring Size Comparison Table
As shown in the table below, the port
edition
The inner diameter of ring No. 15 is 18.0mm, with an inner circumference of 56.5mm.
