Gauge Size Chart for Piercing Jewelry – FreshTrends

Gauge Size Chart for Piercing Jewelry

Gauge Size Chart

What is Gauge? 
(pronounced /ɡāj/)

Gauge refers to the thickness of the barbell going through your body piercing.  The higher the gauge, the thinner the barbell.  For example, a 22 Gauge (aka 22G) barbell is going to be very thin, and a 14G barbell is going to be thicker.  Piercing jewelry ranges in size from 22G - 00G; after 00 Gauge, jewelry is measured in inches, for example 1/2", 9/16", 5/8", etc. Check out our gauge chart below:

Gauge thickness size chart


How do I know what gauge my piercing is? 

Most piercers adhere to a standard size for each different piercing, however there are instances where a different gauge may have been used. When in doubt it's best to visit your piercer and ask him or her what size they used for your specific piercing. Below is a list of standard gauges for different piercings:

Body Piercing Standard Gauges:

Piercing Standard Gauge
Belly / Navel Ring 14G
Nose Piercing 20G , 18G
Tongue Piercing 14G
Cartilage Piercing 16G , 18G
Eyebrow Piercing 16G (14G is also commonly used)
Industrial Barbell 14G (16G is also commonly used)
Labret Lip Rings 14G or 16G 
Monroe Piercing 16G
Nipple Piercing 14G
Tragus / Helix / Rook / Conch 16G , 18G
Septum 14G (16G is also commonly used)
Ear 20G and 18G


What is my gauge in mm?

Internationally, gauge is measured in millimeters (mm). Please refer to the metric conversion chart below.

Inches & Millimeters Gauge Conversion Chart:

Gauge Inches Millimeters
22G .025 0.64mm
20G .032" 0.81mm
18G .040" 1.0mm
16G .050" 1.2mm
14G .064" 1.6mm
12G .082" 2.0mm
10G .102" 2.5mm
8G .125" 3.0mm
6G .162" 4.0mm
4G .204" 5.0mm
2G .250" 6.0mm
0G .312" 8.0mm
00G .375" 10.0mm