Points are calculated by the contents of carbs, protein, fat, and fiber. An egg for example has 2 points. The daily allowance may be 29 points a day and as a bonus a weekly allowance may be 45 points that may be used anytime you need them. A special calculator is used to find points using the labels on foods or the Weight watchers books has them listed. Calories are no longer used in the calculations and all fruits ore zero points and most vegetables are zero points.