Body Jewelry Size Chart

Gauge/Inch (fraction) Inch (decimal) Millimeters
20g 0.032 0.81mm
18g 0.035 1.0mm
16g 0.050 1.2mm
14g 0.064 1.6mm
12g 0.080 2.0mm
10g 0.101 2.5mm
8g 0.128 3.2mm
6g 0.162 4.1mm
4g 0.204 5.1mm
2g 0.250 6.5mm
0g 0.312 8.2mm
00g 0.375 9.2mm
7/16" 0.438 11.1mm
1/2" 0.500 12.7mm
9/16" 0.563 14.2mm
5/8" 0.625 15.8mm
11/16" 0.688 17.4mm
3/4" 0.750 19.0mm
13/16" 0.813 20.6mm
7/8" 0.875 22.2mm
15/16" 0.938 23.8mm
1" 1.000 25.4mm
1-1/16" 1.063 27.0mm
1-1/8" 1.125 28.6mm
1-3/16" 1.188 30.2mm
1-1/4" 1.250 31.8mm
1-5/16" 1.313 33.3mm
1-3/8" 1.375 34.9mm
1-7/16" 1.438 36.5mm
1-1/2" 1.500 38.1mm
1-9/16" 1.563 39.7mm
1-5/8" 1.625 41.3mm
1-11/16" 1.688 42.9mm
1-3/4" 1.750 44.5mm
1-13/16" 1.813 46.0mm
1-7/8" 1.875 47.6mm
1-15/16" 1.938 49.2mm
2" 2.000 50.8mm