S/M =  UK6-10

L/XL = UK12-16

X Small = UK8,

Small = UK10,

Medium = UK12,

Large = UK14,

XL - UK16,

XXL = UK18  

SMALL bust 82-87cm, hips 82-92cm

MEDIUM bust 87-82cm, hips 87-96cm

LARGE bust 92-96cm, hips 92-100cm

X LARGE bust 96-100cm, hips 96-104cm

XX LARGE bust 100-106cm, hips 104-108cm