Determine your body fat percentage with our body fat calculator. For women si metrics centimeters the formula is 4. For example if your waist is 30 your hips are. Focusing on body fat percentage instead of weight is much more useful to track fat loss progress. While overall body fat percentage is important its especially important to monitor abdominal obesity also called visceral fat which may be more dangerous for long term health than fat that accumulates around the hips and thighs known as subcutaneous fat. All measurements are in inches.
The measurements needed to compute body fat percentage using the department of defense method for a male are. A 64 inch tall woman with a neck measurement of 12 inches waist 28 inches and hips 42 inches has 34 percent body fat. 163205 waist hip neck 100 97684 x height 100 78387. While there are obviously cases that dont fit the lookup tables have been surprisingly accurate. A height b neck circumference and c waist at navel. Fat 8601 log10c b 70041 log10a 3676 method 3 heritage bmi to body fat percentage method.
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. Then input your gender and measurements below to receive a body fat index based on average values. For example a 72 inch tall male with a neck measurement of 16 and a waist measurement of 36 has 19 percent body fat. It uses w a ist to height ratio to estimate body fat percentage either measured by caliper or dxa scan. Here are the 10 best ways to measure your body fat percentage. To calculate body fat percentage add your waist and hip measurements and then subtract the neck measurement to determine your circumference value.
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. Not all fat is created equal. This is your body fat percentage. Body fat estimate calculator. Use a tape measure to determine your waist wrist hip and forearm circumference. Step 8 divide your bodyweight by the percentage.
Complete measurement instructions are given below the tool. For women the formula is 163205 x log10 waist hip neck 97684 x log10 height in inches 78387. The body fat index is not an indicator of fitness level since the calculation is made with no regard. Measure your height and waist in either meters and centimeters or feet and inches enter your sex and hit calculate for an estimate. Insert the measurements into this formula.