Body Composition
Lean body mass calculator
Calculate your lean body mass (LBM) and body fat in pounds using the Boer formula — a clinical standard for composition tracking.
Your inputs
Results
Live result
Lean body mass
128.5 lb
Fat mass
41.5 lb
Estimated body fat %
24.4%
LBM (metric)
58.3 kg
Get one health number a week, in your inbox.
A short Monday email from Digital Dashboard Hub — one calculator, one practical use case, one takeaway. Unsubscribe in one click.
Medical disclaimer: This tool is for general educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health.
Related tools
These pair well with the lean body mass.
- BMI CalculatorFree BMI calculator with a visual chart, WHO category ranges, and context on what BMI actual…
- Body Fat %Estimate body fat percentage from waist, neck, and hip measurements using the U.S. Navy circ…
- Ideal WeightCompute your healthy weight range using multiple formulas (Devine, Robinson, Hamwi, BMI 18.5…
- Waist-to-HipCalculate your waist-to-hip ratio (WHR) — a stronger predictor of metabolic risk than BMI — …
- RMR CalculatorCalculate resting metabolic rate using Mifflin-St Jeor and Katch-McArdle — see which formula…
- Waist-to-HeightWaist-to-height ratio (WHtR) is a stronger cardiometabolic predictor than BMI — keep it unde…