Welcome to the section of the site that deals with body dimensions and includes calculators to determine your health, body fat and body fat percentage. The calculator below gives a measure of body fat, based on circumferences around different body parts to give a body fat percentage calculator.

The details for the calculator are given in the reference at the bottom of the page. The calculator uses the formula originally developed by the US Navy Body Fat Percentage.

If you are interested in other calculators please see our list of body fat calculators. Otherwise we hope you find the calculator useful and we have given a brief description first on how to take the measurements to determine your body fat percentage.

Body Fat Percentage Calculator - for Men:

  • Measure abdomen, horizontal at the level of the navel
  • Measure neck, with the tape sloping slightly downward to the front.
  • Measure height without shoes.

Body Fat Percentage Calculator - for Women:

  • Measure waist, smallest horizontal circumference around the abdominal area.
  • Measure hips, largest horizontal circumference around the hips
  • Measure neck, with the tape sloping slightly downward to the front.
  • Measure height without shoes.

Enter these values in the body fat calculator below and press "calculate body fat".

Body Fat Calculator (men)

Abdomen    
Height    
Neck    
   
Units    
   
Bodyfat Percentage =    
   
 

Body Fat Calculator (women)

Waist    
Hip    
Height    
Neck    
Units    
   
Bodyfat Percentage =    
   

Reference: Hodgdon, J. and Beckett, M. Prediction of percent body fat for U.S. navy men and women from body circumferences and height. Reports No. 84-29 and 84-11. Naval Health Research Center, San Diego, Cal. 1984