Grams → Calories
Enter macronutrient masses; energy uses standard factors.
Inputs
Results
Calories from carbs
— kcal
Calories from protein
— kcal
Calories from fat
— kcal
Calories from alcohol
— kcal
Total calories
— kcal
Actions
Step-by-step derivation
Enter values to see the math…
References
- Energy factors (kcal per gram): carbohydrate ≈ 4, protein ≈ 4, fat ≈ 9, alcohol ≈ 7.
- Terminology: on nutrition labels, “Calorie” typically means kilocalorie (kcal).
Alcohol (grams) Calculator
ABV (%) × Volume (mL) × 0.78924 g/mL = grams of alcohol
%
mL
g
Step-by-step
Enter ABV and volume to see the working.