Comprehensive conversion charts, diameter standards, and practical measurement tutorials for engineers, jewelers, and makers.
Compare ear gauge sizes, millimeters, and decimal inches with our complete conversion chart. Learn the backward gauge scale, unequal size jumps, plug flare types, and safer stretching guidelines.
The exact nominal conversion for 0G in mm is 8 millimeters (approx. 0.315 in). Compare 0G with 2G and 00G, understand wearable dimensions vs flares, and choose the right plug style.
The standard nose piercing gauge for nostril piercings is typically 18G (1.0 mm) or 20G (0.8 mm). Learn stud post lengths, hoop internal diameters, and fit considerations.
Master body piercing gauge sizes with our complete 22G to 1-inch conversion chart. Learn the reverse gauge logic, placement sizing ranges, and accurate measuring methods.
Find the right earring gauge for your earlobes and cartilage. Compare conventional 20G fashion studs with professional 18G and 16G flat-back labrets, closure types, and fit.
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Convert standard gauge numbers to millimeters and decimal inches across AWG, galvanized steel, stainless steel, and aluminum with our free precision calculator.