7-Eleven Barq's Root Beer Slurpees contain between 66-181 calories, depending on your choice of option. The option with the fewest calories is the Cup Barq's Root Beer Slurpee (66 calories), while the Container Barq's Root Beer Slurpee contains the most calories (181 calories).
Choose from the options below to see the full nutrition facts, ingredients and allergen information.
