There are 550 calories in a Large Barq's® Root Beer from Jack in the Box. Most of those calories come from carbohydrates (100%).
To burn the 550 calories in a Large Barq's® Root Beer, you would have to run for 48 minutes or walk for 79 minutes.
TIP: You could reduce your calorie intake by 150 calories by choosing the Medium Barq's® Root Beer (400 calories) instead.
According to our website visitors, a Large Barq's® Root Beer is not a healthy and nutritious option from Jack in the Box, with only 25% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Large Barq's® Root Beer is healthy or not.
There are 35 Weight Watchers Freestyle Points, 35 WW SmartPoints and 16 WW PointsPlus in a serving of Large Barq's® Root Beer from Jack in the Box.
Select a second item to compare to the Large Barq's® Root Beer from Jack in the Box.
CLOSE