Body Jewellery Size Conversion Chart
Jewellery Size Conversion Chart
Most of the high quality jewellery that we carry is hand made in the US. As such, this jewellery is measured using the imperial system (ie. "gauge" and inches). Use this table to convert these measurements to millimetres.
| Gauge | mm | Inches | mm |
| 20ga | 0.8mm | 3/16" | 4.5mm |
| 18ga | 1mm | 7/32" | 5.5mm |
| 16ga | 1.2mm | 1/4" | 6.5mm |
| 14ga | 1.6mm | 9/32" | 7.1mm |
| 12ga | 2mm | 5/16" | 7.9mm |
| 10ga | 2.6mm | 11/32" | 8.7mm |
| 8ga | 3.2mm | 3/8" | 9.5mm |
| 6ga | 4mm | 7/16" | 11.1mm |
| 4ga | 5mm | 1/2" | 12.5mm |
| 2ga | 6.5mm | 9/16" | 14mm |
| 0ga | 8.2mm | 5/8" | 16mm |
| 00ga | 9.5mm | 11/16" | 17.5mm |
| 000ga | 10.5mm | 3/4" | 19mm |
| 0000ga | 11.7mm | 7/8" | 22mm |
| 1" | 25.5mm | ||
| 1-1/8" | 28.5mm | ||
| 1-3/16" | 30mm | ||
| 1-1/4" | 32mm | ||
| 1-5/16" | 33.5mm | ||
| 1-3/8" | 35mm | ||
| 1-1/2" | 38mm |