Body fat is important to understand when you are dieting. It is good to track your body fat, so that you are not as reliant on the scale. The numbers on your scale are not always accurate. Muscle weighs more than fat and if you are exercising more than usual your physique will get better but your weight may rise. Knowing the difference between fat and muscle will keep you from getting discouraged and hindering your workout. This tutorial will show you how to measure fat for success.