Calculate your daily calorie needs and macro split using the Mifflin-St Jeor formula.
Calculate your daily calorie needs and macro split using the Mifflin-St Jeor formula. This tool gives a general estimate based on standard health formulas — it's a starting point for understanding your numbers, not a diagnosis or medical advice.
Basal Metabolic Rate is the calories your body burns at complete rest. It is the minimum energy needed to keep basic functions running.
This calculator uses the Mifflin-St Jeor equation, the most accurate formula for most adults according to the American Dietetic Association.
Macronutrients are protein, carbohydrates and fat. The macro split shown is a balanced starting point — adjust based on your personal goals.
Calculate your daily calorie needs using the Mifflin-St Jeor formula. Get your BMR, TDEE, and macro split for your goal. The Calorie Calculator page explains what the tool or support page provides, what information is needed and how to use the result or guidance for an everyday task.
Use Calorie Calculator when you need a quick answer without creating an account, downloading an app or sending your information to a third party. The tool is designed for everyday planning, comparison and checking, with results shown in the browser as soon as you enter the details.
Calorie Calculator is useful for quick checks, household planning, school or work tasks, content planning and comparing simple scenarios. Many visitors use these tools to avoid manual counting or spreadsheet setup for a one-off question.
The result should be treated as a practical guide rather than professional advice. For legal, financial, health, tax, pregnancy, school holiday, tide or public holiday decisions, confirm important details with an official source or qualified professional.
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