Girls plus size clothing is easily adapted into wearable outfits for teen-agers and petite adults, who may find them comparable to junior sizes.
Juniors 7 and 9 Conversions
A juniors size 7 fits a 30 1/2-inch bust, 24-inch waist and 33 1/2-inch hips. Someone who can wear this size may fit into a girls plus size 8 1/2 or 10 1/2.
A juniors size 9 fits a 32-inch bust, 25-inch waist and 35-inch hips. Someone able to wear that size may fit into a girls plus size 10 1/2 or 12 1/2.
Juniors 11 and 13 Conversions
A juniors size 11 fits a 33 1/2-inch bust, 26-inch waist and 36 1/2-inch hips. This size is similar to a girls plus size 14 1/2.
A juniors size 13 fits a 35-inch bust, 27-inch waist and 38-inch hips. Someone who can wear this size 13 may fit into a girls plus size 16 1/2.
Juniors sizes and girls plus sizes vary by store. Because girls plus sizes are intended for children, pants in those sizes may be shorter than pants in juniors sizes, which are intended for a height of 5 feet 4 inches or 5 feet 5 inches.
References and ResourcesSimplicity: Body Measurement Charts
Lands' End Business Outfitters: How to Measure