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Fitness
Lean Body Mass Calculator
Lean Body Mass Calculator
Estimate your lean body mass (LBM) based on weight, height, gender, and age using multiple formulas.
US Units
Metric Units
Gender
Male
Female
Age 14 or younger?
Yes
No
Height
Weight
Calculate
Clear
Quick Tips
Use accurate height and weight for best results.
Select Peters formula for children ≤14.
Compare formulas for a range of estimates.
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