Ring Sizing


All of our rings are sized using the U.S & Canadian standard, below is a detailed guide to your ring size.
Adjustable ring sizing means that it can fit sizes 5 U.S to 9.5 U.S.
Please contact us if you have any more questions.

Inside    

Diameter

Inside

Centre

Sizes
mm inches mm inches British & Australian US & Canada  French & Russian German Swiss
14.05 0.553 44.14 1.74 F 3 44 14 4
14.45 0.569 45.60 1.79 G 1/2 3 1/2 - 14 1/2 -
14.86 0.585 46.68 1.84 H 1/2  4 - 15 -
15.27 0.601 47.97 1.89 I 1/2 4 1/2 - 15 1/4 -
15.70 0.618 49.32 1.94 J 1/2 5 15 3/4
16.10 0.634 50.58 1.99 L 5 1/2 51 3/4 16 11 3/4
16.51
0.650
51.87
2.04
M
6 52 3/4 16 1/2 12 3/4
16.92
0.666
53.16
2.09
N
6 1/2
54
17
14
17.35 0.683 54.51 2.15 O 7 55 1/4 17 1/4 15 1/4
17.75 0.699 55.76 2.20 P 7 1/2 56 1/2 17 3/4 16 1/2
18.19 0.716 57.15 2.25 Q 8 57 3/4 18 17 3/4
18.53 0.729 58.21 2.29 Q 3/4 8 1/2 -
18 1/2
18.89 0.748 59.34 2.35 R 3/4 9 - 19 -
19.41 0.764 60.98 2.40 S 3/4 9 1/2 - 19 1/2 -
19.84 0.781 63.33 2.45 T 1/2 10 - 20 -
20.20 0.797 63.46 2.50 U 1/2 10 1/2 20 1/4 -
20.68 0.814 64.97 2.56 V 1/2 11 - 20 3/4 -

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