How do you calculate men’s size?

Bust/Chest: With arms relaxed at sides, measure around the fullest part of the chest/bust. Waist: Measure around the natural waistline, smallest part of waist. Hips: Standing with legs together, measure around fullest part of hips. Inseam: Measure inside length of your leg from crotch to bottom of ankle.

How do I know my clothing size?

BUST:Measure around the back, under the arms and across the fullest part of the bust. WAIST: Measure around the waist, with the tape measure flat against the figure and snug but not too tight. HIPS: Measure over the fullest part of the hips, usually 21-23cm / 8-9” down from the waist.

Is size 40 medium or large?

Question: Is shirt size 40 medium or large? Answer: A shirt with size 40 corresponds to shirt size medium in the international scale.