Are you looking a man to get a suit tailored, but don't know what size you are? You probably want to go to your local tailor with at least an idea of what you're talking about. Learn how to measure your own waist circumference in just a few easy steps. First you must acquire a bendable tape measure, which can be found in almost any convenience store. Wrap the tape measure around the fullest part of your body, which is usually somewhere around your belly button. When taking the measurement, be sure to put one finger inside the tape to it is not too tight. Voila! You now know what your waist circumference is!