Calculate your calories for healthy weight gain
Find your ideal calorie surplus for muscle building. Enter your details to get personalized daily calorie and protein targets for steady, healthy weight gain with lean, moderate, or aggressive options.
Take or upload a photo for AI-powered body analysis.
Our AI estimates body composition using visual analysis technology.
Receive calculated results with detailed breakdown and recommendations.
Gaining lean muscle requires a calorie surplus + resistance training + adequate protein. Without training, a surplus adds fat. With proper training and 2g+/kg protein, your body channels extra calories into muscle growth.
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Scale to Grams