Basal Metabolic Rate (BMR) Calculator
Estimate the minimum amount of calories your body needs to perform basic, life-sustaining functions.
What is BMR?
Basal Metabolic Rate (BMR) is the amount of energy (in calories) your body uses to function while at complete rest. This includes essential functions like breathing, circulation, cell production, and nutrient processing. Your BMR accounts for the majority of your daily energy expenditure.
Understanding your BMR is a foundational step in any health or fitness plan. It helps you determine your daily calorie needs for weight maintenance, loss, or gain. The most common formula used for calculating BMR is the Mifflin-St Jeor equation, which is widely considered the most accurate.
Why Calculate Your BMR?
- It serves as a baseline for your daily calorie needs.
- It helps you set realistic goals for weight management.
- It provides a better understanding of how your body burns energy.
- It is the first step in calculating your Total Daily Energy Expenditure (TDEE).
Trusted Sources & Further Reading
To ensure you have the most reliable, up-to-date health information, please refer to these authoritative sources on metabolism and BMR:
Calculate Your BMR
How to Use the BMR Calculator
1. Enter Your Info
Provide your gender, age, height, and weight in the form above.
2. Get Your BMR
Our calculator will use the Mifflin-St Jeor formula to provide your estimated BMR.
3. Use Your Result
Your BMR is the minimum energy your body needs daily. Use it as a baseline to help you plan your diet for weight loss, maintenance, or gain.
Frequently Asked Questions
BMR (Basal Metabolic Rate) is the minimum amount of energy your body needs at complete rest. TDEE (Total Daily Energy Expenditure) is your BMR plus the calories you burn from physical activity and the thermic effect of food. TDEE is a more accurate measure for your total daily calorie needs.
You can boost your metabolism by building more muscle mass through strength training, staying hydrated, getting enough sleep, and eating a healthy diet rich in protein. Regular physical activity, especially high-intensity interval training (HIIT), can also help increase your metabolic rate.
This calculator uses the Mifflin-St Jeor equation, which is one of the most reliable formulas available. However, for a precise and personalized measurement, you should consult with a healthcare professional or a registered dietitian who can perform a metabolic test and consider your full health profile.
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