BMR calculator (Basal metabolic rate calculator for man and woman)

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BMR calculator can help you calculate the body’s Basal metabolic rate. The basal metabolic rate refers to the minimum energy that the human body needs to sustain life in an inactive state in a natural temperature environment. These energies are mainly used to maintain the function of various organs, such as breathing, heartbeat, glandular secretion, filtration and excretion, detoxification, muscle activity and so on.

BMR Calculator 

Basal metabolic rate calculator for man and woman


 

The basal metabolic rate formula (BMR) is also known as Harris-Benedict Formula.

Harris-Benedict Formula

1. Calculate your BMR (basal metabolic rate):

    • Women: BMR = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) – ( 4.7 x age in years )
    • Men: BMR = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) – ( 6.8 x age in years )

2. Multiply your BMR by the appropriate activity factor, as follows:

    •    Sedentary (little or no exercise): BMR x 1.2
    •    Lightly active (light exercise/sports 1-3 days/week): BMR x 1.375
    •    Moderately active (moderate exercise/sports 3-5 days/week): BMR x 1.55
    •    Very active (hard exercise/sports 6-7 days a week): BMR x 1.725
    •    Extra active (very hard exercise/sports & physical job or 2x training): BMR x 1.9

3. Your final number is the approximate number of calories you need each day to maintain your weight.

 

BMR calculator
BMR calculator

Which factors affect BMR?

The basal metabolic rate decreases with increasing age or weight loss. It increases with increasing muscle mass. Diseases, eating, environmental temperature, and stress all change the body’s energy consumption, which affects the basal metabolic rate.

  • Gender (Men have a higher basal metabolic rate than women, and children have higher BMR than adults).
  • Disorders of the endocrine system (such as thyroid reduction, adrenal gland, gonad dysregulation).
  • Increase in age (generally older age leads to loss of muscle mass, while muscles directly affect BMR).
  • Weight loss (the higher the weight, the more heat is needed, so the more the base is, and vice versa).
  • Other diseases.

The relation between weight loss and BMR

If you want to lose weight, theoretically, the calorie intake of food per day needs to be slightly lower than the BMR value or the basic calorie consumption per day. It can also be achieved by exercising to increase calorie consumption per day. But this is based on normal healthy people. children, the elderly, pregnant women, and patients need to lose weight according to the doctor’s supervision.

If in order to lose weight, intake of food calories is lower than BMR for a long time, the body will appear fatigue, immunity decline, easy to get sick, body dysfunction and other symptoms.

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