Lean Body Mass Calculator
Calculate your Lean Body Mass (LBM) using your height, weight, and gender. Estimate the weight of your muscles, bones, organs, and body water excluding body fat.
This calculator is useful in several situations, including Body Composition Analysis, Weight Loss Tracking, Muscle Gain Planning, Fitness Assessment, Bodybuilding, Sports Nutrition, Health Monitoring, Strength Training, Fat Loss Programs, and Performance Optimization. In each case, it applies the correct formula automatically so you get a precise result without manual calculation.
Calculate your lean body mass (LBM), fat free body weight, and estimated body fat mass using your height, weight, and gender.
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How the Lean Body Mass Calculator Works
Follow these simple steps to get accurate results instantly.
Enter Your Gender
Select your gender for accurate lean body mass estimation.
Enter Height
Provide your height in centimeters.
Enter Weight
Provide your body weight in kilograms.
View Results
See your estimated lean body mass and fat-free body weight.
Lean Body Mass Formula
Male: (0.407 × Weight) + (0.267 × Height) − 19.2 | Female: (0.252 × Weight) + (0.473 × Height) − 48.3
The Lean Body Mass Calculator uses the Boer Formula to estimate fat-free body mass. Lean body mass includes muscles, bones, organs, and body water while excluding body fat.
Example Calculation
Input: Male, Height: 175 cm, Weight: 75 kg
Output: Lean Body Mass ≈ 61.8 kg
Common Uses
- • Body Composition Analysis
- • Weight Loss Tracking
- • Muscle Gain Planning
- • Fitness Assessment
- • Bodybuilding
- • Sports Nutrition
- • Health Monitoring
- • Strength Training
- • Fat Loss Programs
- • Performance Optimization
Frequently Asked Questions
Find answers to common questions about this calculator.