BMR Calculator (Basal Metabolic Rate)
Use this free BMR Calculator to estimate your Basal Metabolic Rate — the number of calories your body needs each day at rest to support basic functions like breathing, circulation, and cell repair. It is a useful starting point for nutrition, fitness, and weight planning.
Calculate Your Basal Metabolic Rate
Enter your gender, age, height, and weight to estimate your BMR instantly.
Your Result
How to Use This BMR Calculator
- Select your gender.
- Enter your age in years.
- Enter your height in centimeters.
- Enter your weight in kilograms.
- Click Calculate BMR to view your estimated resting calorie needs.
Why Use This BMR Calculator?
Useful
Understand how many calories your body needs at rest as a baseline for daily energy needs.
Practical
Helpful for nutrition planning, weight management, and fitness goal setting.
Fast
Get a quick estimate instantly without needing complex manual calculations.
What Is Basal Metabolic Rate?
Basal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic life functions while at complete rest. This includes processes such as breathing, circulation, body temperature regulation, and cell repair. BMR is often used as the foundation for estimating total daily calorie needs.
Frequently Asked Questions
What is the difference between BMR and TDEE?
BMR measures calories your body needs at rest, while TDEE includes your activity level and estimates total daily calorie expenditure.
Is this BMR calculator accurate?
This calculator provides a strong general estimate using a standard formula. Actual calorie needs may vary based on body composition and health conditions.
Can I use BMR for weight loss planning?
Yes. BMR is often used as a starting point before adding activity level to determine calorie targets for weight maintenance, loss, or gain.
Can I use this BMR calculator on mobile?
Yes. This free online BMR Calculator works on mobile, tablet, and desktop devices.