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. The body fat calculation is based both on weight and waist size and is exquisitely sensitive to the value for waist. A hips b waist c forearm circumference and dwrist. Body fat percentage and dxa to caliper to conversion methodology. Higher levels of body fat may be dangerous for you. If you lower the value for the weight without changing the.
Woolcott richard n. A study published in the european heart journal april 2007 2 showed that waist circumference and waist hip ratio defined as waist circumference divided by hip circumference were predictors of cardiovascular events. All measurements should be taken at their widest points and should be recorded in inches. Waist size waist circumference is an indicator of abdominal obesity. An easy and consistent way to measure body fat uses a tape measure and a scale. The percentage body fat is calculated for males as 100 9842 415waist 0082weightweight and for females as 100 7676 415waist 0082weightweight.
The chart below shows the average body fat percentages of americans from samples between 19992004. Navy and requires four measurements. For men measure the circumference of the neck by placing a measuring tape directly on the skin just below the larynx also known as the adams apple and extend the tape horizontally all the way around the neck. The caliper and dxa conversion methodology can be found inside our body fat. Height neck waist and hip circumference. This data means that if your body fat percentage is lower than 31 for women and 24 for men you are in the average range and you have nothing to worry about.
Scale results may also vary wildly compared to results from other body fat percentage measurement methods. Although not as accurate as using skinfold measurements or electrical impedance measuring waist neck and for women hip circumferences provides an inexpensive alternative. Body fat calculator estimate your body fat percentage and body fat mass. Body fat testing using neck and waist measurements based on parameters established by the navy are different for men and women. The measurements needed to compute body fat percentage using the covert bailey method for a male are. This body fat percentage calculator uses the formula developed by the us.
To calculate body fat percentage add your waist and hip measurements. Excess abdominal fat is a risk factor for developing heart disease and other obesity related diseases. Skinfold measurements have been used to estimate body fat for over 50 years skinfold calipers measure the thickness of your subcutaneous fat the fat underneath the skin at certain body. The waist to height ratio to body fat percentage formula comes from relative fat mass rfm as a new estimator of whole body fat percentage a cross sectional study in american adult individuals orison o. How to calculate body fat using waist measurement weight.