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UK/US/EUROPEAN RING SIZE CHART
Inches MM UK US EU
0.52 12.84 D 2.25 41.0
0.53 13.57 E 2.75 42
0.55 13.97 F 3.25 44
0.56 14.38 G 3.75 45
0.58 14.88 H 4.25 46.5
0.59 15.1 I 4.5 47
0.6 15.49 J 5 48.5
0.62 15.9 K 5.5 50
0.64 16.31 L 6 51 
0.65 16.71 M 6.5 52
0.67 17.12 N 6.75 53.5
0.69 17.53 O 7 55
0.7 17.93 P 7.5 56
0.72 18.34 Q 8 57
0.73 18.75 R 8.5 58.5
0.75 19.2 S 9 59
0.77 19.6 T 9.5 60.5
0.79 20 U 10 61.5
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