There is 9 different standards for the lengths of the chain or necklaces in the jewelry industry; five for women, and four for men. The table and model below describe and illustrate these standard sizes.

Standard Necklace Size for Women

16" - Choker Length

17-18" - at collarbone

20" - A few inches below collarbone

22" - At above neckline

24" - Below the neckline

Standard Necklace Sizes for Men

18" - Base of the neck (for smaller neck size)

20" - to collarbone (most common length for average man)

22" - A few inches below the collarbone

24" - Just above the sternum