Measure your BUST/CHEST
With the tape straight across and your back, bring it around to the front, then place the tape loosely around the fullest part of your bust.
Measure your WAIST
Wrap a measuring tape around your natural waistline.
Measure your HIPS
Wrap a measuring tape around the fullest part of your hips.
Below is a chart for general sizing types and how it corresponds to your measurements.