Diet Barq’s Root Beer: price, calories and ingredients
A Diet Barq’s Root Beer (medium) costs about $4.19 at a typical US Burger King. It has 0 calories.
Typical price · medium
$4.19
Diet Barq’s Root Beer sizes and prices
| Size or build | Calories | Protein | Typical price | Range |
|---|---|---|---|---|
| Value | 0 | 0 g | $2.19 | 1 source so far |
| Small | 0 | 0 g | $3.19 | 1 source so far |
| Medium | 0 | 0 g | $4.19 | 1 source so far |
| Large | 0 | 0 g | $4.49 | 1 source so far |
Starting prices come from public price trackers and are replaced as we collect in-restaurant and app prices. Meal prices usually assume a medium side and drink.
Diet Barq’s Root Beer price by state
| Where | Typical | Range | Last seen |
|---|---|---|---|
| United States (all reports) | $4.19 | 1 source so far | Sep 2026 |
| California | Collecting reports | – | – |
| Texas | Collecting reports | – | – |
| Florida | Collecting reports | – | – |
| New York | Collecting reports | – | – |
Seen a Diet Barq’s Root Beer price in your state? Add it
What's in the Diet Barq’s Root Beer
Zero-calorie Diet Barq's root beer in four cup sizes.
Full ingredient list (1 components)
Fresh toppings: Diet Barq's® Root Beer
Allergens
From Burger King's published US allergen information (Sep 2026). Kitchens share equipment, so cross-contact is possible. If you have a severe allergy, check with the restaurant.
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Diet Barq’s Root Beer questions
How much is a Diet Barq’s Root Beer at Burger King?
The Diet Barq’s Root Beer costs about $4.19 at a typical US restaurant. Prices are set by each franchise, so confirm yours in the official app.
How many calories are in a Diet Barq’s Root Beer?
Calories by size or build: Value: 0; Small: 0; Medium: 0; Large: 0.
What allergens are in the Diet Barq’s Root Beer?
Burger King lists none of the major allergens as ingredients, but kitchens share equipment, so cross-contact is possible.
When can I order the Diet Barq’s Root Beer?
It is on the all-day menu. At most restaurants it is available once breakfast ends at 10:30 AM, and some locations serve it all day.
