There are 310 calories in a 20 oz Barq's Root Beer from Baja Fresh. Most of those calories come from carbohydrates (100%).
To burn the 310 calories in a 20 oz Barq's Root Beer, you would have to run for 27 minutes or walk for 44 minutes.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a 20 oz Barq's Root Beer is healthy or not.
Select a second item to compare to the 20 oz Barq's Root Beer from Baja Fresh.
CLOSE
