How many calories are in one pound of body fat?

One pound of body fat is generally accepted to contain approximately 3,500 calories. This figure is based on research that has quantified the number of calories necessary to create a caloric deficit sufficient to lose one pound of fat tissue.

Understanding this value is crucial for individuals aiming to manage their body weight through caloric intake and expenditure. For instance, to achieve a weight loss of one pound, an individual would need to burn or create a deficit of about 3,500 calories, whether through diet, exercise, or a combination of both.

This 3,500-calorie rule has been widely utilized in dietary recommendations and weight loss programs, emphasizing the need for sustained changes in energy balance to see significant changes in body fat. It provides a tangible goal for those looking to lose weight while highlighting the importance of a balanced approach to diet and exercise.