BMR Calculator

This BMR calculator estimates your Basal Metabolic Rate, which is the number of calories your body needs to maintain basic physiological functions at rest. Enter your details below to get an accurate calculation.

Select Your Gender: Enter Your Age (in years): Enter Your Height (in cm): Enter Your Weight (in kg):

How the BMR Calculator Works

BMR is calculated using the Mifflin-St Jeor equation, which considers your age, gender, height, and weight. For men: BMR = 88.362 + (13.397 × weight) + (4.799 × height) - (5.677 × age). For women: BMR = 447.593 + (9.247 × weight) + (3.098 × height) - (4.330 × age). This gives an estimate of daily calorie needs at rest.

Steps to Use

Select your gender from the dropdown.
Enter your age in years.
Enter your height in centimeters.
Enter your weight in kilograms.
Click "Calculate BMR" to see your result.

Accuracy and Limitations

This calculator uses a standard formula for estimation, but actual BMR can vary based on factors like muscle mass and genetics. It is not a substitute for professional medical advice. Consult a doctor for precise measurements.

Frequently Asked Questions

What is BMR?

BMR stands for Basal Metabolic Rate, the calories your body burns at rest to keep vital functions going.

How is BMR different from TDEE?

BMR is the base rate, while TDEE includes activity levels.

Can I use BMR for weight loss?

Yes, knowing your BMR helps in creating a calorie deficit for weight loss, but combine with exercise and diet.