Complete measurement instructions are given below the tool. Use the metric units tab if you are more comfortable with the international system of units si. Body mass index bmi is a value derived from the mass and height of a person. The method for calculating the percentage of body fat requires measurements to within 05 cm or 14 inch. Determine your body fat percentage with our body fat calculator. Bmi is a useful measure of overweight and obesity.
Height neck waist and hip circumference. If you are interested how it works here are the formulas we use. Navy and requires four measurements. Body fat weight weight lean body mass. Experts say your ideal waist size should be no more than half your height in inches. The bmi may be determined using a table or chart which displays bmi as a function of mass and height using contour lines or colours.
Use a tape measure to determine your waist wrist hip and forearm circumference. The bmi is defined as the body mass divided by the square of the body height and is universally expressed in units of kgm 2 resulting from mass in kilograms and height in metres. Measurements should be done so that the tape measure fits snugly but does not compress the skin. If greater you need to lose some belly fat. Ii find this height to waist calculator and results pretty accurate for the average person. Navy body fat formula boy fat categorization advice on how to reduce body fat and information on precise methods for measuring the percentage of body fat tissue like dexa dual energy x ray absorptiometry bio impedance water displacement ct mri and others.
Of course results will vary depending of factors like if you have a muscular body etc. Then input your gender and measurements below to receive a body fat index based on average values. Lean body mass women weight 0732 8987 wrist 3140 waist 0157 hip 0249 forearm 0434. On this page is a body fat estimate calculator. It is calculated from your height and weight. It uses waist to height ratio to estimate body fat percentage either measured by caliper or dxa scan.
The body fat calculator can be used to estimate your total body fat based on specific measurements. The higher your bmi the higher your risk for certain diseases such as heart disease high. To get the best results measure to the nearest 14 inch 05 cm. This body fat percentage calculator uses the formula developed by the us. The body fat index is not an indicator of fitness level since the calculation is made with no regard to height or weight. Lean body mass men weight 1082 9442 waist 415.
All you have to do to learn how to calculate body fat percentage in just seconds is be able to enter in your current weight in pounds your waist size measured in inches and if you are a female then your wrist size forearm size and hips size then press the calculate button. Bmi is an estimate of body fat and a good gauge of your risk for diseases that can occur with more body fat. Measure your height and waist in either meters and centimeters or feet and inches enter your sex and hit calculate for an estimate.