🥣 Grams to Calories
Convert macronutrients (carbs, protein, fat) and alcohol to calories in real-time.
Macronutrients
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Alcohol
%
We assume ethanol density ρ = 0.78924 g/mL and 7 kcal/g.
Results
Step-by-step derivation
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Nutrition note: carbs ≈ 4 kcal/g, protein ≈ 4 kcal/g, fat ≈ 9 kcal/g, alcohol ≈ 7 kcal/g (general Atwater factors).
Energy factors (kcal per gram)
| Macronutrient | kcal/g |
|---|---|
| Carbohydrates | ≈ 4 |
| Protein | ≈ 4 |
| Fat | ≈ 9 |
| Alcohol (ethanol) | ≈ 7 |
Sources
- Atwater general factors (carb 4, protein 4, fat 9 kcal/g) and alcohol ≈ 7 kcal/g.