Below are the standard sizes at which different piercings are done and the typical size of the bar or ring for each piercing.
| Piercing |
Size of Piercing (Gauge) |
Bar length (Labrets, Barbells etc) |
Ring Diameter (Segment, Clickers, BCRs) |
| Anti-Tragus | 1.2mm (16G) | curved barbells only 6mm 8mm |
6mm 8mm |
| Conch | 1.2mm (16G) | 6mm 8mm | 10mm 12mm |
| Daith | 1.2mm (16G) | 6mm | 6mm 8mm |
| Ear Lobe | 1.0mm (18G) or 1.2mm (16G) |
||
| Eyebrow | 1.2mm (16G) | curved barbells only 8mm 10mm |
8mm 10mm |
| Helix |
1.2mm (16G) or |
6mm 8mm | 6mm 8mm 10mm |
| Labret | 1.2mm (16G) or 1.6mm (14G) |
6mm 8mm | 10mm 12mm |
| Lip | 1.2mm (16G) | 8mm 10mm | 10mm 12mm |
| Madonna / Monroe | 1.2mm (16G) or 1.6mm (14G) |
8mm 10mm | |
| Medusa / Philtrum | 1.2mm (16G) or 1.6mm (14G) |
8mm 10mm | |
| Navel | 1.6mm (14G) | 10mm | |
| Nose | 0.8mm (20G) or 1.0mm (18G) |
||
| Rook | 1.2mm (16G) | 6mm 8mm | 6mm 8mm |
| Septum | 1.2mm (16G) or 1.6mm (14G) |
8mm 10mm | 6mm 8mm |
| Snug / Anti-Helix | 1.2mm (16G) | curved barbells only 6mm 8mm |
6mm 8mm |
| Tragus | 1.2mm (16G) | 6mm | 6mm 8mm |