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Calories from macronutrients calculator
Convert grams of proteins, carbohydrates and fats to calories using standard energy factors.
Protein
600 kcal · 26.9%
Carbs
1,000 kcal · 44.8%
Fat
630 kcal · 28.3%
Total
2,230 kcal
Standard energy conversion: protein 4 kcal/g, carbohydrates 4 kcal/g, and fat 9 kcal/g.
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Frequently asked questions
How many calories does a gram of protein have?
4 kcal per gram are used.
How many calories are in a gram of carbohydrate?
4 kcal per gram are used.
How many calories does a gram of fat have?
9 kcal per gram are used.
Is this a nutritional recommendation?
No. It only performs a mathematical conversion from macronutrients to energy.