Measure at the center of the neck (over the larynx), keeping the tape slightly loose.

With your arm bent slightly, measure from the base of your neck along your shoulder, then over your elbow to your wrist bone.

Measure at the fullest part of your chest, keeping the tape parallel to the floor.

Measure at the fullest part of your chest, keeping the tape parallel to the floor.

Measure at the smallest part of your waist. This is usually below the rib cage and above the hip bone.

Measure at the fullest part of your seat, keeping the tape parallel to the floor.