Body fat is often expressed as our "Body Fat Percentage" or "Body Fat Percent." Body fat percentage is the amount of body-fat-tissue as a percentage of total body weight. If your total body weight is 70 kilograms and you have 15 kilograms of fat, your body fat percentage is 20 percent.
Body fat is an important element in successful weight control. Body fat requires fewer calories than muscle. So the less fat/more muscle we have, the more calories we can eat before gaining weight. Use our body fat calculator to find out your approximate bodt fat percentage.