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Jewelry Sizing: Everything You Need to Know

Need help with earring sizing? I created a handy little guide to sizing, just for you!

Gauge Size

When it comes to earrings, the first thing to know is gauge size, or the size of your piercing. The gauge size of your piercing refers to the thickness of the earring post that goes through your ear.

Everyone’s ear is different – and your piercer may use a different needle depending on your exact ear size and shape, but here are some guidelines:

GaugeCommon Piercings
20G (0.81mm)Most earlobe piercings are made with a 20G needle, as are some nose piercings.
18G (1.0mm)An 18G needle can be used for earlobe piercings, nose piercings, as well as some cartilage piercings, especially the forward helix.
16G (1.2mm)A 16G needle is used for most cartilage piercings, including the tragus, helix, rook, conch and daith.

Post Length / Ring Diameter

The length of your piercing refers to the wearable length of the earring post that goes through your piercing. For flat back studs, it’s the length of the post. For cartilage rings, this refers to the interior diameter of the ring.

Some standard sizes for various piercings:

PiercingStandard GaugeStandard Length
Tragus16G, 18G1/4", 5/16"
Helix16G, 18G1/4", 5/16"
Rook16G, 18G5/16", 3/8"
Conch16G, 18G1/4", 5/16", 3/8"
Daith16G, 18G1/4", 5/16"
Nose20G, 18G1/4", 5/16"
Earlobe20G, 18G1/4", 5/16"

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Any other questions? Message us – we’re happy to help!