There are 605 calories in a Large Barq's Root Beer from Firehouse Subs. Most of those calories come from carbohydrates (100%).
To burn the 605 calories in a Large Barq's Root Beer, you would have to run for 53 minutes or walk for 86 minutes.
TIP: You could reduce your calorie intake by 165 calories by choosing the Medium Barq's Root Beer (440 calories) instead.
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 38 Weight Watchers Freestyle Points, 38 WW SmartPoints and 18 WW PointsPlus in a serving of Large Barq's Root Beer from Firehouse Subs.
Select a second item to compare to the Large Barq's Root Beer from Firehouse Subs.
CLOSE
