Lean Mass Index Calculator
Calculate your Lean Mass Index (LMI) - a measure of muscle mass relative to height that complements BMI.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
Your Information
Why LMI Matters
LMI provides a better assessment of body composition than BMI alone. Two people with the same BMI can have very different LMI values - one might be muscular while the other has excess fat.
Lean Mass Index
Body Composition
Comparison Indices
Note: LMI + FMI = BMI
LMI Reference Ranges
Ideal Lean Mass for Your Height
Based on your height of 1.75m, an ideal lean mass would be between 55.1 and 64.3 kg.
Help us improve!
How would you rate the Lean Mass Index Calculator?