Lean Body Mass Calculator

Calculate your estimated lean body mass (LBM) based on body weight, height, gender, and age using multiple formulas

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Personal Information
👨 Male
👩 Female
Age 14 or younger?
Yes
No

Feet | Inches

Pounds

💡 Note: LBM includes bones, muscles, blood, organs, and everything except body fat. Multiple formulas are used for comparison. Peters formula is used for children aged 14 or younger.
Lean Body Mass Based on Different Formulas
Formula Lean Body Mass Body Fat
Average LBM
0
lbs
LBM Percentage
0%
of body weight
Body Fat Mass
0
lbs
Body Fat %
0%
estimated