Metabolic Disorders Diagnosis & Screening

How is basal metabolic rate (BMR) measured?

A Answers (1)

  • An individual's basal metabolic rate (BMR) is typically measured after a full night's sleep in a laboratory under optimal fasting conditions of quiet, rest and relaxation.

    In order to calculate an individual's approximate basal metabolic rate, the following questions may be answered: what is the gender of the individual; what is the weight in pounds of the individual; what is the height of the individual in inches; and what is the age of the individual?

    • Men: BMR = 66 (6.22 x weight in pounds) (1.96 x height in inches) - (6.8 x age in years)
    • Women: BMR = 655 (4.36 x weight in pounds) (0.71 x height in inches) - (4.7 x age in years)

    Note: Keep in mind that the BMR calculator is an estimation of the calories needed for the body to perform basic functions. An individual's total daily caloric requirements are affected by muscle mass, illness, stress, food digestion and most importantly, exercise.

    Only an overnight laboratory test can accurately measure an individual's actual BMR.

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What is basal metabolic rate (BMR)?