INTERNATIONAL RING SIZE CHART USA !#!amp!*! Canada Australia・ UK !#!amp!*! Europe ASIA
(Hong Kong・China・ Singapore・
Taiwan・ Japan !#!amp!*! Macau)Circumference Diameter mm inch mm inch 4 - 7 45 1.77 14 0.55 4? - 8 46.5 1.83 14.8 0.57 5 J ? 9 49 1.93 15.6 0.61 6 M 12 52 2.05 16.4 0.65 7 O 14 54.5 2.15 17.3 0.68 8 Q 16 57 2.24 18.1 0.71 8? Q? 17 58.3 2.3 18.5 0.73 9 S 18 59.5 2.34 18.9 0.74 9? S ? 19 60.8 2.39 19.3 0.76 10 T ? 20 62 2.44 19.7 0.78 10? U 21 62.7 2.47 20 0.79 10? U? 22 63.4 2.5 20.17 0.79 11 V ? 23 64.5 2.54 20.6 0.81 12 Y 25 67.5 2.66 21.4 0.84
