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IIFYM Calculator
Calculate daily macronutrient targets for flexible dieting (If It Fits Your Macros)
Nutrition Guidelines: The IIFYM (If It Fits Your Macros) approach divides your total daily calorie target into protein (4 kcal/g), carbohydrates (4 kcal/g), and dietary fats (9 kcal/g). Ensure your macro percentages total 100%. Enter your values below.
Calorie & Macro Split Input
Calculation Results
⚠️ Not medical advice. For nutritional planning, fitness, and wellness reference only. Adjusting macronutrient splits for weight management or athletic performance should be aligned with individual health goals and professional dietary guidance.