Nutrition
Pie Chart of Calories per Gram by Macronutrient
Last reviewed on 2026-05-22.
Nutrition — verifiable data, editable template
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The three primary macronutrients deliver different amounts of energy per gram: fat (9), protein (4), carbohydrates (4). Alcohol provides 7 calories per gram.
The data
- Fat — 9 kcal/g
- Alcohol — 7 kcal/g
- Protein — 4 kcal/g
- Carbohydrates — 4 kcal/g
Source
USDA / NIH dietary reference.
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