There are 340 calories in a 30 oz Barq's Root Beer from Arby's. Most of those calories come from carbohydrates (100%).
To burn the 340 calories in a 30 oz Barq's Root Beer, you would have to run for 30 minutes or walk for 49 minutes.
TIP: You could reduce your calorie intake by 90 calories by choosing the 22 oz Barq's Root Beer (250 calories) instead.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a 30 oz Barq's Root Beer is healthy or not.
Allergy Information: a Arby's Barq's Root Beer does not contain egg, fish, gluten, milk, peanuts, shellfish, soy, tree nuts or wheat.*
* Please keep in mind that most fast food restaurants cannot guarantee that any product is free of allergens as they use shared equipment for prepping foods.
There are 21 Weight Watchers Freestyle Points, 21 WW SmartPoints and 10 WW PointsPlus in a serving of 30 oz Barq's Root Beer from Arby's.
Select a second item to compare to the 30 oz Barq's Root Beer from Arby's.
CLOSE