basic

Food Calorie & Macro Breakdown Calculator

kcal = 4P + 4C + 9F — calories from protein, carbs, fat.

Calculates total calories from macronutrients (protein, carbohydrates, fat) and shows percentage contribution of each macro.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

kcal = protein×4 + carbs×4 + fat×9

In depth

Calculates total calories from macronutrients (protein, carbohydrates, fat) and shows percentage contribution of each macro.