Body Jewellery Conversion Chart

Gauge / Thickness
UK
1mm
1.2mm
1.6mm
2.0mm
2.4mm
3.2mm
4.0mm
5.0mm
6.0mm
8.0mm
USA
18ga
16ga
14ga
12ga
10ga
8ga
6ga
4ga
2ga
0ga
Diameter / Length
Millimeters
6mm
8mm
10mm
11mm
12mm
14mm
16mm
18mm
19mm
21mm
Inches
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
3/4"
13/16"

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