One 100 g serving of macaroni and cheese, dry mix, prepared with 2% milk and 80% stick margarine from dry mix has 190 calories, 23.9 g of carbs, and 1.2 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the Macaroni and cheese, dry mix, prepared with 2% milk and 80% stick margarine from dry mix nutrition facts page.