The average person burns between 2,000 and 3,000 calories per day. The exact number depends on a variety of factors, including age, weight, height, gender and activity level. The specific number of calories burned per day is called total daily energy expenditure, or TDEE.
Significance
Age, weight, height and gender determine your basal metabolic rate, or BMR. Your activity level is used as a multiplier of BMR for how many calories you actually burn per day.
Calculations
Your BMR can be calculated by a variety of methods, including the Harris-Benedict calculation, according to Scientific American Frontiers. To determine your TDEE, you multiply your BMR by a factor associated with your activity level.
Considerations
According to the Food and Agriculture Organization, your specific energy requirement cannot be absolutely determined by a formula. It depends on other variables, and can only be specifically calculated by you and your physician. On average, Scientific American Frontiers says women burn between 2,000 and 2,100 calories per day, and men burn 2,700 to 2,900.
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