Macronutrient Calorie Split Calculator
Turn grams of protein, carbs and fat into calories and percentages.
Your result
Protein and carbohydrate give 4 kcal per gram; fat gives 9 kcal per gram. Compare the split with your goals.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Macronutrient Calorie Split Calculator do?
Turn grams of protein, carbs and fat into calories and percentages. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: calories from macros; macro percentage of calories; protein carbs fat split.