The size of the US size 5 ring is 15.7mm in diameter and 49.3mm in circumference, equivalent to the size 9 ring in Hong Kong size rings.
Comparison Table of Hong Kong Ring Sizes
The size range of the Hong Kong version ring is 7-24, with a diameter of 14.3mm-20.4mm and a circumference of 46mm-66mm. The standard hand size range for women is 7-14, while for men it is 17-21.
Comparison Table of US Ring Sizes
The size range of American ring sizes is 5-12, with a diameter of 15.7mm-21.4mm and a circumference of 49.3mm-67.2mm. The standard hand size range for women is 5-7.5, while for men it is 7-11.
Comparison Table of European Ring Sizes
The size range of European ring sizes is 40-75, with a diameter of 12.73mm-23.87mm and a circumference of 40mm-75mm. Usually, numbers 40-56 are for girls and numbers 55-75 are for boys.
