How to Measure Your Body: Waist Around
Run the tape around the fullest part of the belly. This is usually around the level of the belly button. The measuring tape should be snug on the skin, but not squeezing in. It’s important to stand in a relaxed, normal position–do not push out your belly or suck it in–when taking the waist measurement. Measuring your waist for a dress shirt is different than the waistband of your trousers.