Explore body composition calculators for body fat, BMI, lean body mass, FFMI and other useful measurements related to body size and composition.
Body Composition Tools
2
calculators
Body Fat Calculator
Estimate your body fat percentage using the US Navy tape-measure method and see your approximate fat mass and lean body mass.
Open calculator →Lean Body Mass Calculator
Estimate your lean body mass using body fat percentage or common height-and-weight formulas such as Boer, James and Hume.
Open calculator →