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A pound of body fat may contain anywhere from 3,436 to 3,752 calories. However, it is a myth that just eating 500 fewer calories per day (3,500 per week) causes weight loss of one pound.
In the past, research found about 3,500 calories of energy equaled about 1 pound (0.45 kilogram) of fat. So researchers thought burning or cutting 500 calories a day led to losing 1 pound a week. But this isn't true for everyone.
One pound of body fat is equal to about 3,500 calories. To lose weight, you need to burn more calories than you eat. In theory, you lose a pound of fat after you consume 3,500 fewer calories than your body needs.
Use the calorie calculator to estimate the number of daily calories your body needs to maintain your current weight.
You may lose a pound of fat by skipping just 10 calories a day or as many as 55, depending on whether you’re improving food quality or restricting food quantity. If the 3,500 calories per pound of weight loss rule is bunk, what’s the alternative?
Visceral fat is lost by taking in fewer calories than you burn. Hundreds of pounds can be lost with enough caloric restriction and exercise. A simple rule of weight loss is 1 pound of fat is equal to 3,500 calories, but it’s simply not true.
Want to know how many calories there are in a pound of body fat? Here's the answer, along with the truth about the "3500 calorie rule" of weight loss.
Studies have shown that a deficit of 3,500 calories equals approximately 1 pound (0.45 kg) of body fat. While this generalization is reasonable, it is not very precise. So, how many calories does a pound (of body fat or muscle mass) really contain?
How Many Calories to Lose One Pound? Technically you need to burn 3,500 calories to lose a pound of body weight. You can achieve this by creating a deficit of 500 calories each day which adds up to one pound in a week, a deficit of 1,000 calories each day to lose two pounds per week, or 250 calories each day to lose a pound in two weeks.
One pound of body fat contains approximately 3,500 calories. Therefore, to lose one pound of body fat, an individual must create a calorie deficit of 3,500 calories through a combination of diet and exercise.