This body fat calculator uses the U.S. Navy Circumference Method where three/ four body measurements are fed into a fixed formula to estimate the percentage of your body that is made up of fat.
Read about other more accurate techniques to estimate body fat.
Average body fat percentages vary between men and women:
|Body Fat Rating Scale||Women||Men|
|Essential Fat||10 – 13%||2 – 5 %|
|Lean (Athlete)||14 – 20%||6 – 13%|
|Average (Fitness)||21 – 24 %||14 – 17%|
|Acceptable||25 – 31%||18 – 25%|
Body Fat Calculator
Body Fat Calculator Instructions
The measurements need to be accurate to within 0.5cm/ 0.25 inches and should be taken as follows:
- Neck: taken below the larynx slightly sloping downward at the front
- Waist: women at the smallest point; men at the level of the navel
- Hips (women only): at the largest point