Ring size Chart

RING SIZE GUIDE
Ring Size                (USA & Canada) Ring Size (HK) Circumference of ring Diameter      of ring
mm mm
2.5 5 43.30 13.8
3 6 44.30 14.1
3.5 7 45.50 14.5
4 8 46.50 14.8
4.5 9 47.70 15.2
5 10 48.70 15.5
5.2 11 49.90 15.9
5.5 12 5.09 16.2
6 13 52.10 16.6
6.5 14 53.10 16.9
7 15 54.30 17.3
7.5 16 55.60 17.7
7.8 17 56.50 18.0
8 18 57.50 18.3
8.5 19 58.70 18.7
9 20 59.70 19.0
9.5 21 60.90 19.4
10 22 61.90 19.7
10.3 23 63.10 20.1
10.8 24 64.10 20.4
11.2 25 65.30 20.8
11.5 26 66.30 21.1
12 27 67.50 21.5
12.5 28 68.50 21.8
13 29 69.70 22.2
13.2 30 70.70 22.5