How To Measure Yourself 
Bust/Chest
With arms relaxed at sides, measure around the fullest part of the chest/bust with index finger inside measuring tape for ease.
 
Waist
Measure around the natural waistline, smallest part of waist with index finger inside measuring tape for ease.
 
Hips
Standing with legs together, measure around fullest part of hips with index finger inside measuring tape for ease.
 
Inseam
Measure inside length of your leg from crotch to bottom of ankle.
Measurements are in US inches.