Ring Size Chart

Before buying a Ring, read this first! In Austria, France, Germany, Belgium and Scandinavia, ring sizes are specified using actual internal circumference in mm (the same as the ISO standard).If you don't know what internal circumference you need, you can check this video to measure it.

Sizes
(in)(mm)
ISO
(in)(mm)
ISO
The United States,
Canada and
Mexico
The United Kingdom,
Ireland,
Australia,
South Africa and
New Zealand
China,
Japan,
South America
IndiaItaly,
Spain,
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
0.50612.851.5940.4C0.5
0.51413.061.614111
0.52213.261.6441.72D221.75
0.5313.461.6742.32.25
0.53813.671.6942.9E333
0.54613.871.7243.643.5
0.55414.071.7444.23F44.25
0.56214.271.7744.8554.75
0.5714.481.7945.5G5.5
0.57814.681.8246.1666
0.58614.881.8446.84H76.75
0.59415.091.8747.477.5
0.60215.291.8948I888
0.6115.491.9248.7J98.75
0.61815.71.9449.3599.25
0.62615.91.9750K1010
0.63416.11.9950.61010.5
0.64216.312.0251.2L1111.25
0.6516.512.0451.96111211.75
0.65816.712.0752.5M1212.5
0.66616.922.0953.1131313.25
0.67417.122.1253.8N13.75
0.68217.322.1454.47141414.5
0.6917.532.1755.1O1515
0.69817.732.1955.71515.75
0.70617.932.2256.3P1616.25
0.71418.142.24578161717
0.72218.342.2757.6Q17.5
0.7318.542.2958.3171818.25
0.73818.752.3258.9R1919
0.74618.952.3459.591819.5
0.75419.152.3760.2S2020.25
0.76219.352.3960.8192120.75
0.7719.562.4261.4T21.5
0.77819.762.4462.110202222
0.78619.962.4762.710¼U212322.75
0.79420.172.4963.410½2223.25
0.80220.372.526410¾V2424
0.8120.572.5464.611232524.75
0.81820.782.5765.311¼W25.25
0.82620.982.5965.911½242626
0.83421.182.6266.611¾X26.5
0.84221.392.6567.212252727.25
0.8521.592.6767.812¼Y2827.75
0.85821.792.768.512½Z2628.5
0.866222.7269.112¾2929
0.87422.22.7569.713273029.75
0.88222.42.7770.413¼Z130.5
0.8922.612.87113½3131
0.89822.812.8271.713¾Z23231.75
0.90623.012.8572.314Z332.25
0.91423.222.8772.914¼3333
0.92223.422.973.614½Z433.5
0.9323.622.9274.214¾3434.25
0.93823.832.9574.8153534.75
0.94624.032.9775.515¼35.5
0.95424.23376.115½3636.25
0.96224.433.0276.815¾36.75
0.9724.643.0577.4163737.5

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