With Thanksgiving dinner adding about 3200-4500 calories to your daily intake, which is enough to gain over a pound of fat in one day, I thought I would continue to try to ruin your holiday with a few more very round and general statistics. Did I say ruin? I meant inform. This is the average of average. Calories – 3200-4500 Carbohydrates – 320-450 grams Calories per pound of fat in your body – 3500 (They usually use that to determine how many calories you have to burn to lose