What Is The Difference Between 16 Gauge And 18 Piercing?

What Is The Difference Between 16 Gauge And 18 Piercing? The United States typically measures gauges in inches, unlike most other countries. In the U.S. an 18 gauge earring measures approximately 5/128-inch while a 16 gauge earring measures 3/64-inch, for a difference of 1/128-inch or approximately 0.0078 inches. Is a 16 gauge piercing big? Gauge