Lean Body Mass Calculator – LBM Estimate

Calculate lean body mass using height, weight, and sex with the Boer formula.

❤️ Health📐
Weight (lbs)
Height (inches)
Sex
Please enter valid values.

Formula & Reference

VariableFormulaUnits
Lean Body Mass Calculator – LBM Estimateresult

Step-by-Step Examples

Example 1
180lb male, 70in

  • LBM: ~154 lbs | Fat: ~26 lbs | ~14%
✓ ~154 lbs LBM
Example 2
140lb female, 65in

  • LBM: ~100 lbs | Fat: ~40 lbs | ~29%
✓ ~100 lbs LBM
Example 3
200lb male, 72in

  • LBM: ~172 lbs | ~14% body fat
✓ ~172 lbs LBM

Real-World Applications

Common Mistakes to Avoid

⚠️
Formula is an estimate

Boer formula ±3 kg. DEXA more accurate.

⚠️
Weight is misleading

Scale weight includes water, food, waste.

Frequently Asked Questions

What is LBM?
Weight minus fat — muscle, bones, organs, water.
Why track LBM?
Shows real progress when body composition improves despite no scale change.
How to increase LBM?
Progressive resistance training, adequate protein, sufficient calories.

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