A body fat calculator, used to determine the percentage of fat in the body, is an indispensable tool for anyone trying to lose weight or improve their overall health. For example, if you weigh 150 pounds and your body fat percentage is 30%, you have 45 pounds of body fat.
Understanding your body fat percentage is more informative than just knowing your weight alone, as body fat is closely associated with health risks, such as heart disease, diabetes, and stroke. Historically, hydrostatic weighing was the gold standard for measuring body fat.