S   M   L
Bust 16" 17" 18"
Waist 12.5" 13.5" 14.5"
Hip 18" 19" 20"
Length 33" 33.5" 34"

*Model is 1.64m, UK 6 and wears size S

If you are in between sizes for bust/waist/hip, it is best recommended to size up. 

*In between sizes refers to your measurements falling between 2 sizes, example size S & M.