Hydrostatic weighing and other high tech machines are expensive and almost impossible for a layperson to access. Heres the formula along with an example using the example measurements above.
Published Equations Used To Calculate Body Fat In Adolescents
Body fat measurement equation. Mens formula the measurements needed to compute body fat percentage using the covert bailey method for a male are. Fat b 05a 3c d for men 30 years old or younger. Fat mass fm formula. Lm weight fm bmi method. There are many different methods for measuring body fat but some are more accurate than others. However a greater amount of.
Percent body fat 495body density 45 x 100 all this math can be tricky so keep in mind that there are always online calculators to help you figure it all out. Another method for calculating an estimate of body fat percentage uses bmi. Use a tape measure to determine your waist wrist hip and forearm circumference. Body fat weight weight lean body mass. Convert body density to a body fat percentage using the siri equation which is the same for men and women. If you are interested how it works here are the formulas we use.
The scanners equations then estimate your body fat percentage based on your body shape. Total body weight x 0732 8987. There are also hand held devices and scales which measure body fat but these are often inaccurate. Lean body mass men weight 1082 9442 waist 415. Plug the three measurements into the male body fat formula below. Body fat formulafor women.
For example if your waist is 30 your hips are. All measurements should be taken at their widest points and should be recorded in inches. For more accurate measurements of body fat the use of instruments such as bioelectric impedance analysis or hydrostatic density testing is necessary. To calculate body fat percentage add your waist and hip measurements and then subtract the neck measurement to determine your circumference value. Lean body mass women weight 0732 8987 wrist 3140 waist 0157 hip 0249 forearm 0434. A hips b waist c forearm circumference and dwrist.
Then input your gender and measurements below to receive a body fat index based on average values. X research source for the most accurate answer enter the full calculation in one line using an online calculator. In this way 3 d body scanners are similar to circumference measurements. The most accurate way is underwater weighing but this formula should give you a consistent measurement you can use as a guideline so you can determine if youre losing body fat andor muscle. Fm bf weight lean mass lm formula. The body fat index is not an indicator of fitness level since the calculation is made with no regard to height or weight.
Gallery of Body Fat Measurement Equation
