CalcPeak

Macronutrient Ratio Calculator

Macronutrient Ratio Calculator calculates the grams of carbohydrates, proteins, and fats based on daily caloric intake and desired macronutrient ratios for a balanced diet.

Enter Parameters

e.g., 2000 kcal
e.g., 50%
e.g., 30%
e.g., 20%

How to Use Macronutrient Ratio Calculator:

  1. Enter your daily caloric intake in kcal.
  2. Input the desired percentage ratios for carbohydrates, proteins, and fats (must sum to 100%).
  3. Click “Calculate” to get the grams of each macronutrient.
  4. Use “Copy Result” to copy results to clipboard (requires HTTPS).

Important Notes:

  • All inputs must be positive; ratios must sum to 100%.
  • Caloric values: Carbohydrates = 4 kcal/g, Proteins = 4 kcal/g, Fats = 9 kcal/g.
  • Clipboard access requires HTTPS. If copying fails, copy manually.

Macronutrient Ratio Examples:

  1. Balanced Diet:
    Calories: 2000 kcal, Carb: 50%, Protein: 30%, Fat: 20%
    Expected: Carbs ≈ 250 g, Protein ≈ 150 g, Fat ≈ 44.44 g
  2. Keto Diet:
    Calories: 1800 kcal, Carb: 10%, Protein: 20%, Fat: 70%
    Expected: Carbs ≈ 45 g, Protein ≈ 90 g, Fat ≈ 140 g
  3. High Protein Diet:
    Calories: 2500 kcal, Carb: 40%, Protein: 40%, Fat: 20%
    Expected: Carbs ≈ 250 g, Protein ≈ 250 g, Fat ≈ 55.56 g

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