Skeletal Muscle Index Calculator
Appendicular muscle mass scaled to height squared.
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Low skeletal muscle index is one marker of sarcopenia. Resistance training and adequate protein support muscle.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Skeletal Muscle Index Calculator do?
Appendicular muscle mass scaled to height squared. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: sarcopenia check; muscle mass index; low muscle mass.