Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 18.5"; length = 19.5"
small: bust = 18.5"; length = 19.5"
medium: bust = 19.5"; length = 20"
large: bust = 20.5"; length = 20.5"
x-large: bust = 21"; length = 21"