A Arby's 30 oz Barq's Root Beer contains 340 calories, 0 grams of fat and 91 grams of carbohydrates.
Let us know what you think! Review the nutrition facts below and then vote on whether you think a 30 oz Barq's Root Beer is healthy or not.
Keep reading to see the full nutrition facts and Weight Watchers points for a 30 oz Barq's Root Beer from Arby's.
There are 340 calories in a 30 oz Barq's Root Beer from Arby's. Most of those calories come from carbohydrates (100%).
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.