Body transformation, the journey from being 'out of shape' to achieving a more 'toned and fit' physique, occurs due to burning more calories, gaining lean body mass, using up fat more effectively, and ultimately shedding weight. The Dr. Firology Calorie Calculator operates by assessing key factors: your Basal Metabolic Rate (BMR, often referred to as Resting Metabolic Rate), your Total Daily Energy Expenditure (TDEE), and serves as a valuable tool to swiftly establish a weight loss strategy tailored to your calorie usage, activity level, and overarching objectives.
Allow me to elucidate the operational mechanism of the Dr. Firology Calorie Calculator:
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BMR is determined using the Mifflin-St Jeor equation.
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The TDEE is calculated by multiplying your BMR by the Katch-McArdle multipliers.