BMR Calculator
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BMR Calculator
A Basal Metabolic Rate (BMR) calculator helps you to estimate the number of calories your body needs to maintain basic physiological functions, such as breathing, digestion, and circulation, while at rest. 

BMR (Basal Metabolic Rate) Calculator

US (ft, in) Metric (cm)
US (lbs) Metric (kg)

What is BMR?

BMR represents the energy your body requires to function while you’re at complete rest. It’s the minimum number of calories your body burns each day to maintain essential bodily functions like your heartbeat, breathing, and body temperature. Factors like age, gender, height, weight, and muscle mass affect your BMR, meaning different people will have different metabolic needs

Why Is BMR Important?

If you’re trying to lose or gain weight, knowing your BMR can help you make more informed dietary decisions. You can also plan your calorie intake based on your activity level, whether you're sedentary or highly active.

Additional Daily Calorie Needs

The calculator doesn’t just give you your BMR—it goes a step further by calculating your total daily calorie needs based on your activity level. Whether you have a sedentary lifestyle or engage in regular exercise, the calculator provides a breakdown of how many calories you need to maintain your current weight, based on six different activity levels.

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