For women si metrics centimeters the formula is 4. On this page is a body fat estimate calculator. Determine your body fat percentage with our body fat calculator. 100 x 495 129579 035004 log 10 waist hip neck 022100 log 10 height 45 for imperial metrics inches high precision conversions are performed automatically by our body fat percentage calculator. 163205 waist hip neck 100 97684 x height 100 78387. A gompertz curve did a pretty good job predicting body fat percentage when plotted against waist measurement so i used the data points to create a rather unwieldy function then spat it out into two tables for ease of reading.
For example if your waist is 30 your hips are. Complete measurement instructions are given below the tool. Fat 8601 log10c b 70041 log10a 3676. The measurements needed to compute body fat percentage using the department of defense method for a male are. Body fat weight weight lean body mass. If you are interested how it works here are the formulas we use.
Lean body mass men weight 1082 9442 waist 415. Healthy male athletes might be as low as. Lean body mass women weight 0732 8987 wrist 3140 waist 0157 hip 0249 forearm 0434. While there are obviously cases that dont fit the lookup tables have been surprisingly accurate. Use a tape measure to determine your waist wrist hip and forearm circumference. Step 8 divide your bodyweight by the percentage.
A height b neck circumference and c waist at navel. The american dietetic association recommends that men have 15 18 body fat and women have 20 25 body fat. Insert the measurements into this formula. It uses waist to height ratio to estimate body fat percentage either measured by caliper or dxa scan. Then input your gender and measurements below to receive a body fat index based on average values. Measure your height and waist in either meters and centimeters or feet and inches enter your sex and hit calculate for an estimate.
To calculate body fat percentage add your waist and hip measurements and then subtract the neck measurement to determine your circumference value. All measurements are in inches. This is your body fat percentage. The percentage of body weight considered essential fat is around 4 for men and 10 for women.