1 lb = 3,500 calories

One (1) pound of fat is 3,500 calories. To lose one (1) pound of fat a week you need to either eat 500 calories less a day or burn (through exercise) 500 calories more. If Women burn 1,500 calories a day and Men burn 2,500 calories look at what you need to do. Women can take their daily calorie budget up to 2,000 by exercising and burning 500 calories more.