Lean Body Mass Calculator
About the Lean Body Mass Calculator
The Lean Body Mass Calculator helps you determine your fat-free mass - the weight of everything except body fat. This includes muscles, bones, organs, water, and all non-fat tissues in your body. Use it for: - Tracking muscle mass and body composition - Setting strength training goals - Understanding body composition changes - Planning nutrition for muscle gain Formula Used: - Boer Formula (1984): Most commonly used for men - Hume Formula (1966): Recommended for women - James Formula (1976): Alternative method LBM = Total Weight - Body Fat Weight LBM Percentage = (LBM / Total Weight) × 100 Lean body mass is important for metabolism, strength, and overall health. Higher LBM increases metabolic rate.
Frequently Asked Questions
Lean body mass is your total body weight minus body fat. It includes muscles, bones, organs, water, and all non-fat tissues. It's essentially your fat-free mass.
Increase LBM through strength training, adequate protein intake (1.6-2.2g per kg body weight), sufficient calories, and proper recovery. Consistency is key.
For men, 80-90% LBM is typical. For women, 70-80% LBM is typical. Athletes may have higher percentages. This varies with age and fitness level.