What's in a gauge?
The most important gauge on Tongue Rings is the piercing gauge itself; the Tongue Ring gauge, which indicates the size of the actual piercing within your navel.
14G is the standard Tongue Ring gauge size.
16G a slightly thinner gauge, is one of the Tongue Ring sizes most often thought of as the other navel ring size.
When shopping for a Tongue Ring, remember to look over Piercing Size Chart to make sure you understand what the measurements actually mean.
All of these body jewelry measurements, and specifically, all of these Tongue Ring sizes, are going to help you determine which Tongue Ring is going to fit and look the best on you.