Macronutrient Calculator | Nutrition & Fitness Planner

Macronutrient Calculator

Calculate your optimal daily protein, carbohydrate, and fat intake based on your personal stats, goals, and preferred diet approach.

Dietary Approaches Explained

Standard (Balanced Diet)

50% Carbs, 20% Protein, 30% Fat.
Emphasizes a variety of whole foods. Good for most people seeking stable energy and health.

Low-Carb

25% Carbs, 30% Protein, 45% Fat.
Reduces carbs to stimulate fat metabolism, may aid in weight loss and some metabolic conditions.

Ketogenic

5% Carbs, 20% Protein, 75% Fat.
Puts body into ketosis for rapid fat burning; focus on very low-carb veggies, healthy fats, moderate protein.

Athlete/Performance

55% Carbs, 25% Protein, 20% Fat.
Higher carbohydrates support training, competition, and recovery for active individuals.

Macronutrients: What They Do & Best Sources

Protein

Helps build and maintain muscles, organs, skin. Supports immune system and hormone production.

Best sources:
  • Chicken, turkey, lean beef, fish, tofu, eggs
  • Greek yogurt, cottage cheese, legumes, seitan

Carbohydrates

Primary energy source (especially for brain & muscles). Aids gut health when fiber-rich foods are chosen.

Best sources:
  • Whole grains, brown rice, oats, quinoa
  • Fruits, vegetables, beans, lentils

Fats

Supports cell health, hormone balance, nutrient absorption, and provides long-term energy reserves.

Best sources:
  • Avocado, olive oil, fatty fish (salmon, sardines)
  • Nuts, seeds, nut butters, coconut, dark chocolate

FAQs & Tips

  • Customize your macros: Adjust meal frequency and dietary approach to suit your schedule and taste preferences.
  • Protein for fat loss: Higher protein helps preserve lean mass on a calorie deficit.
  • Carbs for performance: Don’t fear healthy carbs if you’re very active or an athlete!
  • Healthy fats: Prioritize unsaturated fats for heart & metabolic health.
  • Consistency is key: Balanced meals and habits matter more than daily fluctuations.
  • See a registered dietitian or sports nutritionist for highly personalized nutrition advice.

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