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Convert your target daily calorie intake into balanced grams of carbohydrates, proteins, and dietary fats tailored to your fitness objectives.
800 kcal (40%)
600 kcal (30%)
600 kcal (30%)
• Carbs: 66.7g
• Protein: 50g
• Fat: 22.2g
• Carbs: 50g
• Protein: 37.5g
• Fat: 16.7g
Gram and energy allocation based on physiological caloric density.
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Macronutrient Split & Diet Macro Calculator. Calculate custom daily gram targets for protein, carbohydrates, and dietary fats based on your calorie goal and nutrition strategy. ZechKit provides this tool completely free and online, optimized for instant, accurate computations directly inside your web browser.
A Macronutrient (Macro) Calculator translates total daily calorie targets into specific gram allocations for protein, carbohydrates, and dietary fats.
Caloric Density of Macros: Protein provides 4 calories per gram; Carbohydrates provide 4 calories per gram; Dietary Fats provide 9 calories per gram.
Common Macro Splits: Balanced (40% Carbs / 30% Protein / 30% Fat), High Protein/Cutting (30% Carbs / 40% Protein / 30% Fat), Low Carb/Keto (5%–10% Carbs / 25%–30% Protein / 65%–70% Fat), Endurance (55% Carbs / 20% Protein / 25% Fat).
Nutritional Roles: Protein preserves and builds muscle; Fats support hormone production and nutrient absorption; Carbohydrates fuel high-intensity physical performance and brain energy.
