International Ring Sizes

International Ring Sizes
We hope this chart helps you size your ring or finger, particularly for our greenstone rings.
If your size is not listed, please get in touch.
Size (inches) Size (mm) Diameter (mm) USA size British/ Australia size Italian size French size German size
1 14/16 48 15.27 4 1/2 I - 1/2 8 - 15 1/4
1 15/16 49 15.70 5 J - 1/2 9.5 - 15 3/4
2 51 16.10 5 1/2 L 10.5 51 3/4 16
2 1/16 52 16.51 6 M 11.5 52 3/4 16 1/2
2 2/16 53 16.92 6 1/2 N 13 54 17
2 3/16 55 17.35 7 O 14.5 55 1/4 17 1/4
2 4/16 56 17.75 7 1/2 P 16 56 1/2 17 3/4
2 5/16 57 18.19 8 Q 17 57 3/4 18
2 6/16 58 18.53 8 1/2 Q 1/2 18.5 58 18 1/2
2 7/16 59 18.89 9 R 1/2 19.5 59 1/4 19
2 8/16 61 19.41 9 1/2 S 1/2 21 60 1/2 19 1/2
2 9/16 62 19.84 10 T 1/2 22 61 3/4 20
2 10/16 63 20.20 10 1/2 U 1/2 23.5 62 3/4 20 1/4
2 11/16 65 20.68 11 V 1/2 25 64 1/4 20 3/4
2 12/16 66 21.08 11 1/2 W 1/2 26.5 66 21
2 13/16 68 21.49 12 Y 27.5 67 1/2 21 1/4
2 14/16 69 21.89 12 1/2 Z 28.5 68 3/4 21 3/4
2 15/16 70 22.33 13 - 30 - 22
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