Body composition
Body fat calculator
Estimate body-fat percentage from neck, waist and height measurements.
The formulas were derived separately for each; the difference is in the equation, not a preference.
Required for the female equation.
Optional — lets the result also show fat and lean mass.
- Body fat
- 16.1%±3% against hydrostatic weighing
Others in body composition
- BMI calculatorBody mass index and the WHO band it falls in.
- BMR calculatorResting energy expenditure, by Mifflin-St Jeor.
- TDEE calculatorDaily energy expenditure once activity is accounted for.
- Lean body mass calculatorLean mass by the Boer formula.
- Reference body weight calculatorThe Devine reference weight for a given height.
- Waist-to-height ratio calculatorOne measurement more than BMI, and a better risk signal.
For research use only. These tools perform arithmetic on figures you supply — they are not medical guidance and do not recommend a dose for any compound.