Typical Sizes by Piercing

Piercing Common Gauge Typical Hoop Diameter*
Forward Helix 16G–20G 6–8mm
Helix 16G–20G 8–10mm
Rook 16G–18G 6–8mm
Daith 16G 8–10mm
Lobe 16G–20G Varies
Conch 16G 10–12mm+
Tragus 16G–20G 6–8mm

*Typical sizes are a guide only. Piercing placement and anatomy vary, so your ideal diameter may differ. Where possible, measure jewellery that already fits comfortably.

 

Gauge / Thickness

Gauge Thickness
20G 0.8mm
18G 1.0mm
16G 1.2mm
14G 1.6mm

 

Internal Diameter

Diameter General Fit
6mm Very small / close-fitting hoop
8mm Small, close-fitting hoop
10mm Medium hoop with more room
12mm Larger, roomier fit
14mm+ Large diameter hoop

 

How to measure the internal diameter and gauge thickness of a hoop or clicker ring