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Last updated: Aug 9, 2026

Whataburger

Small Barq's Root Beer, 20 fl oz

Soft DrinksPopular

Whataburger Small Barq's Root Beer, 20 fl oz is carb-leaning, with about 100% of macro calories from carb. Each serving has 270 calories, 0g protein, 73g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

1 Serving

Serving Size

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270

Calories

Per serving

0 g

Protein

73 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories270 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 90 mg4%

Total Carbohydrate 73 g27%

Dietary Fiber 0 g0%

Total Sugars 73 g—

Protein 0 g0%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

270

kcal

Protein0 g (0%)

Carbs73 g (100%)

Fat0 g (0%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density0/10

0% of macro calories come from protein.

Satiety index1.5/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate68 min walk

About 27 minutes of running for these calories.

Key Nutrients

Protein 0 g0%

Fiber 0 g0%

Sodium 90 mg4%

Sugars 73 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein0/10 protein density from 0g protein and 270 calories.No

Lower carb73g carbs per serving.No

Low fat0g total fat per serving.Yes

High sugar73g total sugars per serving.Yes

High sodium90mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Small Barq's Root Beer, 20 fl oz has 130 fewer calories than # 20 Taquito with Cheese & Bacon and 20g less protein. Compare

Small Barq's Root Beer, 20 fl oz has 180 fewer calories than # 20 Taquito with Cheese & Chorizo and 19g less protein. Compare

# 20 Taquito with Cheese & Bacon400 kcal · 20 g protein# 20 Taquito with Cheese & Chorizo450 kcal · 19 g protein# 20 Taquito with Cheese & Potato440 kcal · 17 g protein# 20 Taquito with Cheese & Sausage420 kcal · 19 g protein# 21 Breakfast On A Bun with Bacon360 kcal · 18 g protein# 21 Breakfast On A Bun with Sausage510 kcal · 27 g protein

Compare with # 20 Taquito with Cheese & Bacon

Small Barq's Root Beer, 20 fl oz Compared With Nearby Items

Whataburger Small Barq's Root Beer, 20 fl oz is listed in the Soft Drinks category with 270 calories, 0g protein, 73g carbs, and 0g fat per serving.

Data Source and Methodology

Nutrition values for Small Barq's Root Beer, 20 fl oz are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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