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Last updated: Aug 9, 2026

Nathan's Famous

Barq's Root Beer, 42 oz

BeveragesPopular

Nathan's Famous Barq's Root Beer, 42 oz is carb-leaning, with about 100% of macro calories from carb. Each serving has 430 calories, 0g protein, 112g carbs, and 0g fat, making it better suited to carb-aware planning than low-carb goals.

1 Serving

Serving Size

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430

Calories

Per serving

0 g

Protein

112 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories430 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 130 mg6%

Total Carbohydrate 112 g41%

Dietary Fiber 0 g0%

Total Sugars 112 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

430

kcal

Protein0 g (0%)

Carbs112 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 index0.6/10

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

Activity estimate108 min walk

About 43 minutes of running for these calories.

Key Nutrients

Protein 0 g0%

Fiber 0 g0%

Sodium 130 mg6%

Sugars 112 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein0/10 protein density from 0g protein and 430 calories.No

Lower carb112g carbs per serving.No

Low fat0g total fat per serving.Yes

High sugar112g total sugars per serving.Yes

High sodium130mg 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

Barq's Root Beer, 42 oz has 2880 fewer calories than 1 1/2 Pounds Wings, BBQ and 184g less protein. Compare

Barq's Root Beer, 42 oz has 2660 fewer calories than 1 1/2 Pounds Wings, Buffalo and 184g less protein. Compare

1 1/2 Pounds Wings, BBQ3,310 kcal · 184 g protein1 1/2 Pounds Wings, Buffalo3,090 kcal · 184 g protein1 1/2 Pounds Wings, Hot Honey3,270 kcal · 184 g protein1 1/2 Pounds Wings, Mango Habanero3,230 kcal · 184 g protein1 Pound Beer BatteredOnion Rings1,060 kcal · 10 g protein1 Pound Hand Dipped Onion Rings710 kcal · 8 g protein

Compare with 1 1/2 Pounds Wings, BBQ

Barq's Root Beer, 42 oz Compared With Nearby Items

Nathan's Famous Barq's Root Beer, 42 oz is listed in the Beverages category with 430 calories, 0g protein, 112g carbs, and 0g fat per serving.

Data Source and Methodology

Nutrition values for Barq's Root Beer, 42 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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