The following are the Hong Kong, China standards:

Size 6: 14 mm diameter, 45 mm circumference

Size 7: 14.5 mm diameter, 46 mm circumference

Size 8: 15.1 mm diameter, 47.5 mm circumference

Size 9: 15.3 mm diameter, 48 mm circumference

Size 10: diameter 16.1 mm in diameter, 50.5 mm in circumference

No.11: 16.6 mm in diameter, 52 mm in circumference

No.12: 16.9 mm in diameter, 53 mm in circumference

No.13: 17 mm in diameter, 53.5 mm in circumference

No.14: 17.7 mm in diameter, 55.5 mm in circumference

15 No. 15: 18 mm in diameter, 56.5 mm in circumference

No. 16: 18.2 mm in diameter, 57 mm in circumference

No. 17: 18.3 mm in diameter, 57.5 mm in circumference

No. 18: 18.5 mm in diameter, 58 mm in circumference

No. 19: 18.8 mm in diameter, 59 mm in circumference

No. 20: 19.4 mm diameter, 61 mm circumference

No. 21: 19.7 mm diameter, 62 mm circumference

No. 22: 20.2 mm diameter, 63.5 mm circumference

No. 23: 20.4 mm diameter, 64 mm circumference

No. 24: 21 mm diameter, 66 mm circumference

Expanded Information

Measurement of size notes:

1, want to get a more accurate size, you can measure at 19:00-21:00, because this time the finger size is the most accurate;

2, don't measure the finger when the weather is too cold, because this time the finger size is the smallest;

3, when you can not determine the specific size of the number, you can choose a relatively large hand inch number (half or 1);

4, according to the different seasons to adjust their numbers appropriately, winter to buy a ring, due to the colder weather, the finger than the summer to be thinner than the number of one to a half size, the ring to bring on the right and left after the rotation but is not easy to come off is appropriate, the summer is to bring on the feeling of a slightly tighter is appropriate.