Take a soft tape measure to determine the following:
GIRTH: From the middle of the side shoulder down through the crotch and back to the same shoulder.
BUST: With arms raised, measure around the fullest part of the chest.
WAIST: Measure around body at waistline.
HIPS: Around body at waistline.
PANT INSEAM: Inside the leg from the crotch to the desired pant length