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Calorie Deficit Calculator

Estimate daily calorie targets from BMR, activity level, and a selected deficit percentage with clear assumptions and realistic planning guidance.

Estimate only. This tool does not provide personal medical advice.

This calculator provides a general estimate only and is not medical advice. For personal health decisions, speak with a qualified healthcare professional. Get individualized guidance before using a large calorie deficit, dieting during pregnancy, managing an eating disorder history, or making nutrition changes that interact with a medical condition or medication plan.

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