Jewelry Ring Gauge to mm / inch

This gauge chart applies to piercings (earings, nose rings, and all the other body holes you might have). The higher the gauge, the thinner the ring. Gauge Inches Millimeters 10 0.102 2.59 11 0.091 2.31 12 0.081 2.06 13 0.072 1.83 14 0.064 1.63 15 0.057 1.45 16 0.052 1.29 17 0.045 1.14 18 0.04 … Read more