The measurements of a pair of size nine long jeans in the U.S. are a 27-inch waist and a 36-inch hip. Size nine jeans do not have an equivalent letter sizing guide, such as S, M or L.
Depending on the region, size nine long jeans can also be marked as size 27 pants. The most common pant sizes are even-numbered, such as six and eight. Sizes six and eight are also categorizes as the XS and S sizes, placing size nine long jeans between these two categories. Other common sizes include size 12 and size 14, which are medium and large sizes respectively.