{"id":85456,"date":"2026-11-08T02:48:13","date_gmt":"2026-11-08T02:48:13","guid":{"rendered":"https:\/\/titanpierce.com\/body-jewelry-size-guide\/"},"modified":"2026-11-08T02:48:13","modified_gmt":"2026-11-08T02:48:13","slug":"body-jewelry-size-guide","status":"publish","type":"page","link":"https:\/\/titanpierce.com\/fr\/body-jewelry-size-guide\/","title":{"rendered":"Body Jewelry Size Guide: Gauge & Length Charts in mm (2026 Edition)"},"content":{"rendered":"

Ordering the wrong gauge or length is the #1 cause of dead stock in a piercing studio’s wholesale buys.<\/strong> This guide gives you the gauge-to-millimeter conversions, the standard wearable lengths for every common piercing, and the ordering rules we recommend to studio buyers stocking up from a catalog.<\/p>\n

Body Jewelry Gauge Chart (G \u2192 mm)<\/h2>\n

Gauge (G) numbers run backwards: the smaller<\/em> the number, the thicker<\/em> the post. Most modern piercing jewelry is 16G or 14G.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Gauge<\/th>\nMillimeters (mm)<\/th>\nInches<\/th>\nTypical use<\/th>\n<\/tr>\n<\/thead>\n
20G<\/td>\n0.8 mm<\/td>\n0.032″<\/td>\nNose studs (older\/healed), delicate earrings<\/td>\n<\/tr>\n
18G<\/td>\n1.0 mm<\/td>\n0.040″<\/td>\nNostril, some cartilage, healed-lobe earrings<\/td>\n<\/tr>\n
16G<\/td>\n1.2 mm<\/td>\n0.045″<\/td>\nStandard for septum, nostril, cartilage, most labrets, navel (varies)<\/td>\n<\/tr>\n
14G<\/td>\n1.6 mm<\/td>\n0.062″<\/td>\nStandard for navels, tongues, many industrial barbells<\/td>\n<\/tr>\n
12G<\/td>\n2.0 mm<\/td>\n0.081″<\/td>\nStretched lobes, larger industrial projects<\/td>\n<\/tr>\n
10G<\/td>\n2.5 mm<\/td>\n0.100″<\/td>\nStretched lobes, large-gauge piercings<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Standard Wearable Lengths by Piercing<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Piercing<\/th>\nCommon post length<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
Navel (belly)<\/td>\n10 mm (3\/8″)<\/td>\n14G standard; 11 mm for thicker tissue<\/td>\n<\/tr>\n
Tongue<\/td>\n16 mm (5\/8″)<\/td>\n14G standard; initial jewelry is longer for swelling<\/td>\n<\/tr>\n
Labret \/ lip<\/td>\n6\u20138 mm (1\/4″\u20135\/16″)<\/td>\n16G common; 8 mm for thicker lips<\/td>\n<\/tr>\n
Nostril<\/td>\n6\u20137 mm (1\/4″)<\/td>\n18G or 16G; L-bend or nose bone styles<\/td>\n<\/tr>\n
Septum<\/td>\n8\u201310 mm (5\/16″\u20133\/8″)<\/td>\n16G standard; ring diameter 8\u201310 mm<\/td>\n<\/tr>\n
Cartilage (helix, tragus)<\/td>\n6\u20138 mm (1\/4″\u20135\/16″)<\/td>\n16G; flat-back labrets preferred<\/td>\n<\/tr>\n
Eyebrow<\/td>\n8\u201310 mm (5\/16″\u20133\/8″)<\/td>\n16G curved barbell<\/td>\n<\/tr>\n
Industrial (scaffold)<\/td>\n32\u201338 mm (1 1\/4″\u20131 1\/2″)<\/td>\n14G straight barbell, length per ear anatomy<\/td>\n<\/tr>\n
Nipple<\/td>\n16\u201319 mm (5\/8″\u20133\/4″)<\/td>\n14G straight barbell<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ring & Hoop Diameter Guide<\/h2>\n\n\n\n\n\n\n\n\n
Diameter<\/th>\nCommon placement<\/th>\n<\/tr>\n<\/thead>\n
6 mm (1\/4″)<\/td>\nSnug septum, small cartilage hoops, tragus<\/td>\n<\/tr>\n
8 mm (5\/16″)<\/td>\nMost septum piercings, daith, nostril hoops<\/td>\n<\/tr>\n
10 mm (3\/8″)<\/td>\nRelaxed septum, lobe hoops, larger nostril<\/td>\n<\/tr>\n
12 mm (1\/2″)<\/td>\nLobe hoops, statement septum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Stocking Rules for Studio Buyers<\/h2>\n