What are the sizes for ear gauges? Ear gauge sizes vary from the small traditional earring size your mother wears to the largest ear plug or ear gauge. Sizing can be made easy with the right ear gauge size chart. An ear gauges size chart can give you a quick visual of the different ear gauges' sizes along with the corresponding numerical descriptors of the ear gauge sizes in order. One of the best ear gauge sizes chart shows more than just tells. Check out our ear gauge size chart, actual size, below, to find your gauge ear sizes.