Your total daily energy expenditure (TDEE) is composed of three primary factors:
Metabolic rate is the speed at which your body burns energy to maintain life-sustaining functions. It is essentially the "speed" of your body's engine, determining how many calories you need daily to function, move, and process food. Core Components of Metabolism metabolic rate
The minimum energy required for basic functions like breathing and circulation while at complete rest. It typically accounts for 60% to 75% of your daily calorie burn. Your total daily energy expenditure (TDEE) is composed
BMR (Basal Metabolic Rate): What It Is & How To Calculate It It typically accounts for 60% to 75% of
The energy used to digest, absorb, and store nutrients, making up about 10% of total expenditure.
The most variable component, including both planned exercise and incidental movement (like walking or fidgeting). Key Influencing Factors Several variables determine your personal metabolic rate: