One of the best ways to monitor your diet is by measuring your body fat content. In this three part tutorial, learn how to measure body fat using a caliper. A caliper is a device used to pinch and measure the fat on your body. A caliper is cheap, fast and accurate and makes an excellent alternative to electronic devices. Check out this video and stay on top of your new workout regime - mind the scale and use the caliper to know what's muscle and what's excess.