How to use this calculator
- Enter sex, age, height and weight.
- Press Calculate.
- See lean body mass by three formulas.
How it works
Lean body mass is everything except fat: muscle, bone, organs and water. The Boer, James and Hume equations estimate it from height, weight and sex. Boer is generally the most reliable of the three.
Reading your result
| Men over 70% lean | Typical |
|---|---|
| Women over 60% lean | Typical |
| Below these | Consider strength training focus |
Physiotherapy treatment
Strength and conditioning guidance is the core of physiotherapy for body composition concern. After an assessment, your physiotherapist sets a plan built around progressive resistance training, progressed as your results improve. Hands-on treatment, pain relief and education are added where they help.
Exercises this calculator may recommend
Your result decides which of these appear, and at what dose.
Medical note
Calculators give estimates for general guidance and do not diagnose any condition. Stop and seek medical help for chest pain, fainting, sudden weakness or numbness, loss of bladder or bowel control, or severe or rapidly worsening pain. Always follow your surgeon's or doctor's instructions over any calculator.