BMI BMR Calculator

BMI BMR Calculator

The Basal Metabolic Rate (BMR) is the amount of energy you need while resting in a temperate environment during the post-absorptive state, or when your digestive system is inactive. In such a state, your energy will be used only to maintain your vital organs, which include the heart, lungs, kidneys, the nervous system, intestines, liver, lungs, sex organs, muscles, and skin. The BMR decreases with age and increases with muscle mass.

BMI BMR Calculator

The BMR is measured under very restrictive circumstances while awake. An accurate BMR measurement requires that a person’s sympathetic nervous system is inactive, which means the person must be completely rested. Basal metabolism is usually the largest component of a person’s total caloric needs. The daily calorie needs is the BMR value multiplied by a factor with a value between 1.2 and 1.9, depending on the activity level.

In most situations, the BMR is estimated with equations summarized from statistical data. The most commonly used one is the Mifflin – St Jeor equation:

BMR = 10 * weight(kg) + 6.25 * height(cm) – 5 * age(y) + 5 (man)
BMR = 10 * weight(kg) + 6.25 * height(cm) – 5 * age(y) – 161 (woman)

You use energy no matter what you’re doing, even when sleeping. The BMR Calculator will calculate your Basal Metabolic Rate (BMR); the number of calories you’d burn if you stayed in bed all day

If you’ve noticed that every year, it becomes harder to eat whatever you want and stay slim, you’ve also learnt that your BMR decreases as you age. Likewise, depriving yourself of food in hopes of losing weight also decreases your BMR, a foil to your intentions. However, a regular routine of cardiovascular exercise can increase your BMR, improving your health and fitness when your body’s ability to burn energy gradually slows down.

Once you know your BMR, you can calculate your Daily Calorie Needs based on your activity level using the Harris Benedict Equation.

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