Bust: Measure under your arms at the fuller part of your bust. Keep tape level across your shoulder blades.
Natural Waist: Measure around your natural waistline, keeping the tape comfortably loose.
Drop Waist: Measure around your body 1 1/2" below your natural waist.
Hips: Stand with your feet together and measure around the fullest part of your hips.
Inseam: Using a pair of pants that fit well, measure from midline seam to bottom of the leg.