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Medical CalculatorWeight Loss

Lean Mass Gain Calculator

Calculate protein and calorie needs for building lean muscle mass.

Updated 2024-12-153 min readCalzyra Health Team

Calculator

Enter your values below

Health CalculatorEvidence-Based

lbs

Your current body weight

%

Your estimated body fat percentage

%

Your desired body fat percentage

Formula & Methodology

How this calculator works

Protein = Lean Mass × 1.6-2.2g/kg

Calculates optimal protein intake and calorie surplus for building lean muscle based on current body composition.

Frequently Asked Questions

Common questions about this calculator

Medical Disclaimer

Sustainable weight loss typically ranges from 0.5-1 kg per week. Rapid weight loss can be harmful. Consult a healthcare provider for personalized guidance.

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References

WHO GuidelinesCDC ResourcesAHA Recommendations