Macro Calculator for Weight Loss

Counting macros (protein, carbs, and fat) is more effective than just counting calories because it ensures you're losing fat — not muscle. Research consistently shows that higher protein diets preserve lean mass during a deficit, leading to better body composition outcomes.

Calculate My Weight Loss Macros

Key Facts: Macro Calculator for Weight Loss

  • Protein: 1.6-2.4g/kg bodyweight during a deficit
  • Fat: minimum 0.5g/kg for hormonal health
  • Carbs: fill remaining calories (fuel for training)
  • Macro tracking improves fat loss outcomes by 25-30%

Special Considerations for Weight loss

  • Protein is the most important macro for fat loss — prioritize it
  • Don't fear carbs — they fuel your workouts and recovery
  • Fat should never go below 20% of calories for hormonal health
  • Flexible dieting (IIFYM) has equal results to "clean eating" for fat loss

Ready to Get Your Personalized Plan?

Our AI-powered calculator creates a plan tailored to your unique metabolism, goals, and lifestyle — backed by 600+ research citations.

Calculate My Weight Loss Macros — It's Free

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Medical Disclaimer: This calculator provides estimates based on population-level research formulas. Individual results may vary. Consult a healthcare professional before starting any diet or exercise program. This tool is not a substitute for professional medical advice.