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Ring Size Chat

INTERNATIONAL RING SIZE MEASUREMENT

Inside DiameterInside CircumferenceRing Sizes
(in)(mm)(in)(mm)United States & CanadaUnited Kingdom, Ireland, Australia & New ZealandChina, Japan, South AmericaIndiaItaly, Spain, Netherlands, Switzerland
0.45811.631.4436.50----
0.46611.841.4637.2¼----
0.47412.041.4937.8½A---
0.48212.241.5138.5¾---
0.4912.451.5439.11B1--
0.49812.651.5639.7---
0.50612.851.5940.4C--0.5
0.51413.061.6141-11
0.52213.261.6441.72D221.75
0.5313.461.6742.3--2.25
0.53813.671.6942.9E333
0.54613.871.7243.6-43.5
0.55414.071.7444.23F4-4.25
0.56214.271.7744.8554.75
0.5714.481.7945.5G--5.5
0.57814.681.8246.1666
0.58614.881.8446.84H7-6.75
0.59415.091.8747.4-77.5
0.60215.291.8948I888
0.6115.491.9248.7J-98.75
0.61815.71.9449.359-9.25
0.62615.91.9750K-1010
0.63416.11.9950.610-10.5
0.64216.312.0251.2L-1111.25
0.6516.512.0451.96111211.75
0.65816.712.0752.5M12-12.5
0.66616.922.0953.1131313.25
0.67417.122.1253.8N--13.75
0.68217.322.1454.47141414.5
0.6917.532.1755.1O-1515
0.69817.732.1955.715-15.75
0.70617.932.2256.3P-1616.25
0.71418.142.24578161717
0.72218.342.2757.6Q--17.5
0.7318.542.2958.3171818.25
0.73818.752.3258.9R-1919
0.74618.952.3459.5918-19.5
0.75419.152.3760.2S-2020.25
0.76219.352.3960.8192120.75
0.7719.562.4261.4T--21.5
0.77819.762.4462.110202222
0.78619.962.4762.710¼U212322.75
0.79420.172.4963.410½22-23.25
0.80220.372.526410¾V-2424
0.8120.572.5464.611232524.75
0.81820.782.5765.311¼W--25.25
0.82620.982.5965.911½242626
0.83421.182.6266.611¾X--26.5
0.84221.392.6567.212252727.25
0.8521.592.6767.812¼Y-2827.75
0.85821.792.768.512½Z26-28.5
0.866222.7269.112¾-2929
0.87422.22.7569.713-273029.75
0.88222.42.7770.413¼Z1--30.5
0.8922.612.87113½--3131
0.89822.812.8271.713¾Z2-3231.75
0.90623.012.8572.314Z3--32.25
0.91423.222.8772.914¼--3333
0.92223.422.973.614½Z4--33.5
0.9323.622.9274.214¾--3434.25
0.93823.832.9574.815--3534.75
0.94624.032.9775.515¼---35.5
0.95424.23376.115½--3636.25
0.96224.433.0276.815¾---36.75
0.9724.643.0577.416--3737.5

International Ring Size Chart