Calculate your lean body mass — the weight of everything in your body except fat. Useful for tracking fitness progress and setting realistic body composition goals.
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How this calculator works
Lean body mass is calculated by subtracting fat mass from total body weight. Body fat percentage is divided by 100 and subtracted from 1, then multiplied by total weight.
Common questions about this calculator
Exercise recommendations are general guidelines. Consult a physician before starting any new exercise program, especially if you have health conditions.
