Jack in the Box Southwest Cheddar Cheeseburgers contain between 590-880 calories, depending on your choice of size. The size with the fewest calories is the Single Southwest Cheddar Cheeseburger (590 calories), while the Double Southwest Cheddar Cheeseburger contains the most calories (880 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.