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Ring Sizes Chart

This is a guide and international translation table for rings. To check your size definitively we suggest you get a ring sizer. We'll refund the cost when you buy a ring.

 

Internal Diameter (millimetre) Internal Circumference (millimetre) US/Canada Size UK, Ireland, Australia Size
12.0 37.7 0.5 A
12.4 39.0 1.0 B
12.9 40.5 1.5 C
13.3 41.8 2.0 D
13.7 43.0 2.5 E
14.1 44.3 3.0 F
14.5 45.6 3.5 G
14.9 46.8 4.0
15.3 48.1 4.5
15.5 48.7 4.8 J
15.9 50.0 5.3 K
16.3 51.2 5.8 L
16.7 52.5 6.3
17.1 53.7 6.8 N
17.5 55.0 7.3
17.9 56.2 7.8
18.3 57.5 8.3
18.7 58.7 8.8 R
19.2 60.3 9.3 S
19.6 61.6 9.8 T
20.0 62.8 10.3 U
20.4 64.1 10.8 V
20.8 65.3 11.3 W
21.2 66.6 11.8 X
21.6 67.9 12.3
21.8 68.5 12.5 Z
22.4 70.4 13.3 Z1
22.8 71.6 13.8 Z2
23.0 72.3 14.0 Z3
23.4 73.5 14.5 Z4