A Arby's 40 oz Barq's Root Beer contains 450 calories, 0 grams of fat and 122 grams of carbohydrates.
According to our website visitors, a 40 oz Barq's Root Beer is a healthy and nutritious option from Arby's, with 80% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts below and then vote on whether you think a 40 oz Barq's Root Beer is healthy or not.
Keep reading to see the full nutrition facts and Weight Watchers points for a 40 oz Barq's Root Beer from Arby's.
There are 450 calories in a 40 oz Barq's Root Beer from Arby's. Most of those calories come from carbohydrates (100%).
There are 28 Weight Watchers Freestyle Points, 28 WW SmartPoints and 13 WW PointsPlus in a serving of 40 oz Barq's Root Beer from Arby's.