Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.

Measure across the broadest part of the front of your chest, at armpit level, keeping the measuring tape parallel to the ground.

While standing upright, measure the distance between your waist (typically at navel or top of the hip bone level) and the top of your shoulder, to the left or right of your spine.

With your dominant hand open and fingers extended, measure from the base of your palm where it meets your wrist, to the tip of your middle finger.

With your dominant hand open and extended, measure across the widest part of your palm, not including your thumb.