Macronutrient Ratio Calculator

Optimize your nutrition with our free macronutrient calculator. Calculate your ideal protein, fat, and carbohydrate ratios for weight loss, muscle gain, or maintenance.

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Total: 100%

Macronutrient Distribution

Protein Carbs Fat
2000 kcal
Total
Balanced
Protein
150g
600 kcal
30% of total
Carbs
200g
800 kcal
40% of total
Fat
67g
600 kcal
30% of total

Popular Diet Ratios

Optimize Your Nutrition

Muscle Building

Higher protein ratios support muscle growth and recovery after workouts. Aim for 1.6-2.2g of protein per kg of body weight.

Weight Loss

Balanced macros with slight calorie deficit promote healthy fat loss. Higher protein intake helps preserve muscle mass during weight loss.

Health Maintenance

Proper macronutrient balance supports overall health, energy levels, and metabolic function. Focus on nutrient-dense foods.

Frequently Asked Questions

What are macronutrients?

Macronutrients are nutrients that provide calories or energy. The three primary macronutrients are proteins (4 cal/g), carbohydrates (4 cal/g), and fats (9 cal/g). Each plays a unique role in bodily functions.

How do I use this calculator?

Enter your daily calorie target and desired percentage for each macronutrient. The calculator will show how many grams and calories you should consume from each category. Use the preset buttons for popular diet ratios.

What's a good macronutrient ratio?

Ideal ratios vary based on goals. A balanced ratio is 30% protein, 40% carbs, 30% fat. Athletes may prefer 30% protein, 50% carbs, 20% fat. Keto diets typically use 25% protein, 15% carbs, 60% fat.

Is this tool completely free?

Yes, our macronutrient calculator is 100% free to use with no registration required. We believe in providing accessible nutrition tools for everyone.