Macro Calculator

Split a daily calorie target into protein, carbohydrate, and fat grams using percentages you choose.

For planning only. This tool uses your inputs and is not medical, dietary, or food-safety advice.

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About Macro Calculator

Macro Calculator splits a daily calorie intake target into daily target protein, carbohydrate, and fat gram goals based on custom percentage splits.

How to use Macro Calculator

  1. Enter target daily calorie goal (e.g. 2,000 kcal).
  2. Select macronutrient ratio split (e.g., 30% Protein, 40% Carbs, 30% Fat).
  3. Click Calculate Macros.
  4. Review daily target gram amounts for protein, carbs, and fat.

Examples

Calorie Goal: 2,000 kcal, Split: 30% Protein / 40% Carbs / 30% Fat Result: Protein: 150g (600 kcal), Carbs: 200g (800 kcal), Fat: 67g (600 kcal)

FAQ

How many calories are in one gram of protein, carb, or fat?

Protein and carbohydrates provide 4 kcal per gram; fat provides 9 kcal per gram.

What is a balanced macro split for general fitness?

A common balanced split is 30% protein, 40% carbohydrates, and 30% fat.