Health Calculators

Katch-Mcardle BMR Definition

This free online calculator is the quickest, simplest way for health conscious individuals to derive their BMR. BMR is simply one’s basal metabolic rate.

A basal metabolic rate is the amount of energy used by an individual at rest in a 24 hour day. Rest in this case is defined as having absolutely zero physical activity. The amount is expressed in calories, or energy amounts absorbed from food. These calories are expended as a result of the many basal life processes required by the human body in order to stay alive. In order of consumption, the following organs need the most energy to survive: liver, brain, skeletal muscle, kidneys, heart, and several other vital organs which use significantly less energy. Use this calculator to calculate your BMR!

Katch-Mcardle

The Katch Mcardle Basal Metabolic Rate Calculator works by asking for the following information to be input:

  1. Weight (specified as either kilograms or pounds)
  2. Body Fat Percentage (in numeric form)

Once those two fields are filled, the Katch Mcardle Basal Metabolic Rate Calculator can computer what the individual’s basal metabolic rate is. The rate is expressed in calories. It represents the amount that the individual could consume within a 24 hour period (one day) and still maintain his or her current weight.

Of course, it is rare than an individual remains completely at rest for an entire day. In this case, the basal metabolic rate should be multiplied by the activity factor to determine how many calories are require to maintain one’s weight in a typical day of movement and activity. This can be done with CalculatorPro’sDaily Calorie Calculator.

Applying Results to Your Life

Many people use their basal metabolic rate when trying to lose weight. If you choose to cut calories in your mission to change your body shape, it is recommended that you do not reduce your calorie consumption to below that of your basal metabolic rate. If you do so, it will inhibit your body’s ability to function properly, and to run the previously mentioned basal life processes.

Without increasing your total body weight, the only way to increase your basal metabolic rate is to reduce your body fat. Body fat percentage is the second field of information needed for this calculator, and signifies how much of your body is made up of fat, or adipose tissue. The lower your body fat percentage, the higher your percentage of lean body mass. Lean body mass is raised by increasing muscle, which requires more calories daily to be maintained.

Whether you are just curious about your basal metabolic rate, or if you are beginning a serious weight loss or body toning regime, the Katch Mcardle BMR Calculator is the simplest way to determine how many calories your body requires at rest in each day. So try this FREE calculator today!

Katch-Mcardle BMR Formula:

BMR = 370 + (21.6 x Lean Body Mass(kg) )Lean Body Mass = (Weight(kg) x (100-(Body Fat)))/100
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