Health & Fitness · Free Online Tool
Lean Body Mass Calculator
Estimate lean body mass and fat-free mass index (FFMI) across Boer, James, and Hume algorithms.
Presets:
Measurement System
Centimeters
Kilograms
Percent
If you know your DEXA or caliper percentage, enter it for 100% direct partition.
Ready for Calculation
Adjust parameters on the left and click Calculate or press Enter.
Frequently Asked Questions
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