• Ring
  • Necklace

This is a chart that will be extremely helpful for you to determine the ring size that you need. You can either make use of a tape or a small piece of string to measure the area that will be occupied by the ring. When it becomes a complete circle, make a mark on such string. This will be helpful for you to compare with the chart that is mentioned below.

DiameterCircumferenceSizes
(mm)(mm)US/CAUK/IE/AUDE
14.1 44.2 3 F 14
14.5 45.5 3.5 G 14.5
14.9 46.8 4 H 15
15.3 48 4.5 I 15.5
15.7 49.3 5 J-1/2 15.75
16.1 50.6 5.5 K-1/2 16.25
16.5 51.9 6 L-1/2 16.5
16.9 53.1 6.5 M-1/2 17
17.3 54.4 7 N-1/2 17.25
17.7 55.7 7.5 O-1/2 17.75
18.1 57 8 P-1/2 18
18.5 58.3 8.5 Q-1/2 18.5
19 59.5 9 R-1/2 19
19.4 60.8 9.5 S-1/2 19.5
19.8 62.1 10 T-1/2 20
20.2 63.4 10.5 U-1/2 20.5
21.57 67 12 X 21.25
20.6 64.6 11 V-1/2 22
21 65.9 11.5 W-1/2 22.5
21.4 67.2 12 X-1/2 23
21.8 68.5 12.5 Z 23.5
22.2 69.7 13 / 24
22.6 71 13.5 / 24.5
23 72.3 14 / 25
23.4 73.5 14.5 / 25.5
23.8 74.8 15 / 26
24.2 75.1 15.5 / 26.5
24.6 76.4 16 / 27

Other Tips

  1. *Measure your finger in warm temperatures at the end of the day.
  2. *If your knuckle is a lot larger than the base of your finger,measure both the base of your finger and your knuckle and select a size between the two.
  3. *When considering a wide band, move up a size from your measurement, for comfort’s sake.