Education

Carrie’s Corner rings come in standard Hong Kong sizes. If you know your ring size in sizes other than the Hong Kong standard, please refer to our ring size conversion chart.

If you don’t know your size, measure the diameter in mm of a ring that fits you well and match it to the corresponding circle below to determine your ring size.

Please be reminded that ring size is various by factors of time and temperature, the best timing of measuring is in the evening.

Inner diameter
(mm)
HK std. US Std. UK Std. JP Std. Swiss Std.
14.1 6 3 F 4 4
14.3 7 3.25 F 1/2 5 5.25
14.7 8 3.75 G 6 6.5
14.9 9 4 H 7 7
15.3 10 4.5 I 8 8.5
15.7 11 5 J 1/2 9 9.5
16.1 12 5.5 K 1/2 10 10.5
16.5 13 6 L 1/2 11 12.75
16.7 14 6.25 M 12 13.5
17.1 15 6.75 N 13.5 14.5
17.3 16 7 N 1/2 14 15.25
17.7 17 7.5 O 1/2 15 16.5
18.2 18 8 P 1/2 16.25 18.25
18.8 19 8.5 Q 1/2 17 18.75
19.1 20 9.25 R 17.5 19
19.4 21 9.5 S 18 20
19.8 22 9.75 S 1/2 19 20.75
20.2 23 10 T 1/2 20 21.75
20.6 24 10.5 U 1/2 22 22.75
20.6 25 11 V 1/2 23 24.75
21 26 11.5 W 1/2 24 26.25
21.2 27 12 X 24.5 26.75
21.6 28 12.25 Y 25.5 28
22 29 12.5 Z 1/2 26.5 29