Macro Calculator

Use this tool to estimate your daily calories and macros based on your body size, activity, and goal. These numbers are a practical starting point, not a rigid rule. Your body still gets the final say.

Your Inputs

Your Results

Daily Calories
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Estimated Maintenance
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Protein —
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Carbs —
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Fat —
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Pick your inputs and calculate to see your starting macro targets.
This calculator uses the Mifflin-St Jeor equation to estimate energy needs, then adjusts calories based on your goal pace. It is designed for general education and should not replace personalized medical or nutrition advice.
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