Below is the Katch-McArdle Calculator. The Katch-McArdle formula can be located under the calculator. The Katch-McArdle your basal metabolic rate (BMR), and its results are based on an estimated average. Basal metabolic rate is the amount of energy expended per day at rest.
Directions for using the calculator:
Basic Activity Factor
1.2: If you are sedentary (little or no exercise) = BMR x 1.2
1.375: If you are lightly active (light exercise/sports 1-3 days/week) = BMR x 1.375
1.55: If you are moderately active (moderate exercise/sports 3-5 days/week) = BMR x 1.55
1.725: If you are very active (hard exercise/sports 6-7 days a week) = BMR x 1.725
1.9: If you are extra active (very hard exercise/sports & physical job or 2x training) = BMR x 1.9
Formulas for Men and Women:
BMR = 370 + (21.6 x Lean Body Mass(kg) )
Lean Body Mass = (Weight(kg) x (100-(Body Fat)))/100
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