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BMR Calculator
Calculate your Basal Metabolic Rate (BMR) – the number of calories your body needs to function at rest. A key metric for weight management and fitness planning.
About This Tool
Your Basal Metabolic Rate (BMR) is the number of calories required to keep your body functioning at rest. This calculator uses the Mifflin-St Jeor equation to estimate your BMR. Knowing your BMR is the first step in calculating your daily calorie needs for weight maintenance, loss, or gain.
How to Use This Tool
- Enter your current age in years.
- Select your gender from the dropdown menu.
- Input your height in centimeters (cm).
- Input your weight in kilograms (kg).
- Click the "Calculate BMR" button to get your estimated daily calorie needs at rest.
Frequently Asked Questions
What is the difference between BMR and TDEE?+
BMR (Basal Metabolic Rate) is the energy your body uses at complete rest. TDEE (Total Daily Energy Expenditure) is your BMR plus the calories burned during physical activity. Our Calorie Calculator uses your BMR to find your TDEE.
Which formula does this calculator use?+
This calculator uses the Mifflin-St Jeor equation, which is widely considered one of the most accurate methods for estimating BMR in a general population.
How can I increase my BMR?+
Building muscle mass through strength training is one of the most effective ways to increase your BMR. Muscle tissue burns more calories at rest compared to fat tissue. Regular physical activity and a balanced diet also support a healthy metabolism.