There are approximately 3,500 calories in a pound of fat. When it comes to nutrition, the highest amount of calorie comes from fats which are equivalent to 9 calories per gram. The average recommended intake for most individual is 2,000 calories. Those people who are trying to lose weight are advised to lower their daily calorie intake. Here the link for more information: http://www.caloriesperhour.com/tutorial_pound.php.