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Size Chart

Measuring Body Jewelry

  • Captive Bead Ring

  • Circular Barbell

  • Straight Barbell

  • Curved Barbell

  • Plug / Tunnel

  • Taper / Claw

  • Labret

  • Nose Ring

  • Ball

  • Cone

Gauge Conversions

GaugeMillimeter
200.8mm
181.0mm
161.2mm
141.6mm
122.0mm
102.5mm
83.0mm
64.0mm
45.0mm
26.0mm
08.0mm
0010.0mm

Length Conversions

GaugeMillimeter
1/4"6mm
5/16"8mm
3/8"10mm
7/16"11mm
1/2"12mm
9/16"14mm
5/8"16mm
3/4"19mm
7/8"22mm
1"25mm
1 & 1/4"32mm
1 & 3/8"35mm
1 & 1/2"38mm
2"51mm

Ring Size Conversion Chart

Diameter
(in)
Diameter
(mm)
Circumference
(in)
Circumference
(mm)
US & Canada UK, Ireland
& Australia
Japan, China Swiss
0.61015.491.9248.7J9
0.61815.701.9449.3559
0.62615.901.9750.0K10
0.63416.101.9950.610
0.64216.312.0251.2L11.75
0.65016.512.0451.9661112.75
0.65816.712.0752.5M12
0.66616.922.0953.11314
0.67417.122.1253.8N
0.68217.322.1454.4771415.25
0.69017.532.1755.1O
0.69817.732.1955.71516.5
0.70617.932.2256.3P
0.71418.142.2457.0881617.75
0.72218.342.2757.6Q
0.73018.542.2958.317
0.73818.752.3258.9R19
0.74618.952.3459.59918
0.75419.152.3760.2S20.25
0.76219.352.3960.819
0.77019.562.4261.4T21.5
0.77819.762.4462.1101020
0.78619.962.4762.710¼U21
0.79420.172.4963.410½2222.75
0.80220.372.5264.010¾V
0.81020.572.5464.6111123
0.81820.782.5765.311¼W25
0.82620.982.5965.911½24
0.83421.182.6266.611¾X
0.84221.392.6567.212122527.5
0.87422.202.7569.7131327
0.90623.012.8572.31414Z3
0.93823.832.9574.81515
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