Women's Standard Necklace Sizes
14" - 15" Necklace
Fits most like a choker
Falls perfectly around the base of the neck like a collar. On a petite woman it will hit your collarbone while for plus size women it might feel more like a choker.18" Necklace
A common choice for women that will fall just below the throat at the collarbone. This length is popular for adding pendants which will hang over a crew neck.20" Necklace
Will fall a few inches below the collarbone and allow a little more breathing room. Perfect for a low, plunging neckline or if you want to wear it over a turtleneck.22" Necklace
Falls at or above a low neckline.24" Necklace
Falls below any neckline.
Falls around the beginning of the bust, great for longer necklaces with a long pendant.
Perfect length for a longer necklace, most common.
Achieve the longest pendant length. Great for busty or tall women to get a similar effect as the 28"
When in doubt, size down and add a 2" extender :)
Men's Standard Necklace Sizes
Falls just around the base of the neck, siting above a crew neck t-shirt.20" Necklace
Falls right at the collarbone. Pendants will hide under a crew neck or show completely with a low v-neck or unbuttoned dress shirt.22" Necklace
Falls a few inches below a collar bone and can be worn over or under a shirt.24" Necklace
Falls inline with the heart
Most common and falls just above the sternum.