STEP 1: Measure your bust circumference
Measure your bust circumference around the fullest part of your bust
Make sure the measuring tape is wrapped snug but not tight around your body.

STEP 2: Measure your waist circumference
Measure your waist circumference around the slimmest part of your torso.
Make sure the measuring tape is wrapped snug but not tight around your body.

STEP 3: Measure your upper hip circumference
Measure your upper hip circumference at the height between your hip bones and hip joint. The measuring tape should be wrapped snug but not tight around your body.