Piercing Size Chart

Piercing	Standard Gauge	Standard Stud Length	Standard Ring Diameter
Nose Piercing	18G(1mm); 16G(1.2mm) and 20G(0.8mm) are also commonly used	1/4"(6mm) , 5/16"(8mm)	5/16"(8mm), 3/8"(10mm)
Septum Piercing	16G(1.2mm); 14G(1.6mm) and 18G(1mm) are also commonly used		5/16"(8mm), 3/8"(10mm)
Lip Piercing	14G(1.6mm) or 16G(1.2mm)	5/16"(8mm), also available in 1/4"(6mm) and 3/8"(10mm)	3/8"(10mm),1/2"(12mm)
Ashley Piercing	16G(1.2mm) or 14G(1.6mm)	5/16"(8mm), also available in 1/4"(6mm) and 3/8"(10mm)
Monroe Piercing	16G(1.2mm)	5/16"(8mm), also available in 1/4"(6mm), and 3/8"(10mm)	3/8"(10mm),1/2"(12mm)
Forward Helix or Thin Helix	16G(1.2mm), 18G(1mm)	1/4"(6mm)	1/4"(6mm)
Cartilage / Tragus / Helix / Daith	16G(1.2mm), 18G(1mm)	1/4"(6mm), 5/16"(8mm)	5/16"(8mm), also available in 1/4"(6mm) and 3/8"(10mm)
Conch	16G(1.2mm), 18G(1mm)	1/4"(6mm), 5/16"(8mm)	3/8"(10mm), 1/2"(12mm)
Rook	16G(1.2mm), 14G (1.6mm)	1/4"(6mm), 5/16"(8mm), also available in 3/8"(10mm)	1/4"(6mm), 5/16"(8mm)
Snug	16G(1.2mm), 14G (1.6mm) is less common	5/16"(8mm), also available in 1/4"(6mm) and 3/8"(10mm)	1/4"(6mm), 5/16"(8mm)
Ear Lobe Piercings	20G(0.8mm), 18G(1mm) and 22G(0.6mm) are also commonly used	1/4"(6mm), also available in 5/16"(8mm)	5/16"(8mm), also available in other sizes
Industrial Barbell	14G(1.6mm); 16G(1.2mm) is also commonly used	1 1/2" (38mm); size varies
Tongue Piercing	14G(1.6mm)	9/16"(14mm), 1/2"(12mm), 5/8"(16mm)	5/8"(16mm)
Eyebrow Piercing	16G(1.2mm); 14G(1.6mm) is also commonly used	5/16"(8mm), also available in 3/8"(10mm) and 1/2"(12mm)	5/16"(8mm), also available in 1/4"(6mm), 3/8"(10mm) and 1/2"(12mm)
Belly / Navel Piercing	14G(1.6mm)	3/8"(10mm), 1/2"(12mm)	3/8"(10mm), 1/2"(12mm)
Nipple Piercing	14G(1.6mm), 16G(1.2mm)	3/8"(10mm), 1/2"(12mm), 9/16"(14mm)	9/16"(14mm), also available in 5/16"(8mm), 3/8"(10mm), and 1/2"(12mm)