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Calorie (BMR) Calculator

Estimate your daily calorie needs based on your Basal Metabolic Rate (BMR) and activity level using the Mifflin-St Jeor equation.

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Calorie (BMR) Calculator

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The Calorie (BMR) Calculator is a professional health and fitness tool that estimates how many calories your body burns at rest and during your daily activities. By using the scientifically-backed Mifflin-St Jeor equation, it calculates your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE). Whether you're aiming to lose weight, maintain your current physique, or build muscle, this tool provides a clear roadmap for your nutritional needs. Features support for both metric and imperial units and five distinct activity levels. All calculations are performed securely in your browser to ensure your personal health data remains private.