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Medical CalculatorWeight Loss

Weight Gain Calculator

Calculate calories needed to gain weight healthily within your desired timeframe.

Updated 2024-12-152 min readCalzyra Health Team

Calculator

Enter your values below

Health CalculatorEvidence-Based

lbs

Your current body weight

lbs

Your desired goal weight

weeks

How many weeks to reach your goal?

Formula & Methodology

How this calculator works

Daily Calories = TDEE + Surplus

Calculates required daily calorie intake to gain weight at a healthy rate based on your TDEE and target timeframe.

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