Calorie Calculator
Calculate your daily calorie needs based on your activity level and goals
Enter your details to calculate your daily calorie needs
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
Your data is calculated locally in your browser and is never stored on our servers.
Read full medical disclaimer →Understanding Your Calorie Needs
What is BMR?
Basal Metabolic Rate (BMR) is the number of calories your body needs to perform basic life-sustaining functions like breathing, circulation, and cell production while at complete rest.
What is TDEE?
Total Daily Energy Expenditure (TDEE) is the total number of calories you burn each day, including your BMR plus all physical activity. This is the number you should use when planning your diet.
The Mifflin-St Jeor Equation
This calculator uses the Mifflin-St Jeor equation, which is considered the most accurate formula for estimating BMR according to the American Dietetic Association. It was developed in 1990 and has been validated in numerous studies.
Important Notes
- Individual metabolism can vary by ±10% from calculated values
- Consult a healthcare provider before starting any diet
- Never consume less than 1200 calories/day without medical supervision
- For weight loss, a deficit of 500 cal/day typically leads to ~0.5 kg/week loss
Sources
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