Measure around your natural waist.
Measure the length from the top of the waistband down to the cuff of the pants.
Measure the inside of the leg, from the crotch all the way down at the level of the ankle or foot.
Starting at the crotch seam and ending 1–2 inches below the hip area.
Measure across the hip area, this is in most cases 1 1/2 inches below the zipper
Measure from the bottom of the crotch seam up to the waist band.