With arms relaxed at your side, measure the fullest part of your bust while keeping the measuring tape parallel to the ground.
Keeping the measuring tape parallel to the ground, measure around your waist at the narrowest point of your torso. Make sure to keep one finger in between the tape and your body.
Stand with your heels together and measure around the fullest part of your hips, keeping the measuring tape parallel to the ground.
Place your hand on your hip with your elbow bent at 90 degrees. Place the tape measure at the center of your neck. Measure across your shoulder, down to your elbow and then down to your wrist.