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Last updated: Aug 9, 2026

A&W

A&W Zero Sugar Root Beer Float, Large

Sweets & TreatsPopular

A&W A&W Zero Sugar Root Beer Float, Large is carb-leaning, with about 59% of macro calories from carb. Each serving has 315 calories, 7.7g protein, 43.4g carbs, and 9.8g fat, making it a lighter restaurant option to compare with larger meals.

1 Order (793.8g)

Serving Size

793.8 g

Serving Weight

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315

Calories

Per serving

7.7 g

Protein

43.4 g

Carbs

9.8 g

Fat

Nutrition Facts

Amount per serving

Calories315 kcal

% Daily Value*

Total Fat 9.8 g13%

Saturated Fat 7 g35%

Trans Fat 0 g—

Cholesterol 42 mg14%

Sodium 385 mg17%

Total Carbohydrate 43.4 g16%

Dietary Fiber 0 g0%

Total Sugars 42 g—

Protein 7.7 g15%

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

315

kcal

Protein7.7 g (11%)

Carbs43.4 g (59%)

Fat9.8 g (30%)

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

Meal Planning Insights

Protein density2.4/10

11% of macro calories come from protein.

Satiety index5/10

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

Activity estimate79 min walk

About 32 minutes of running for these calories.

Key Nutrients

Protein 7.7 g15%

Fiber 0 g0%

Sodium 385 mg17%

Sugars 42 g—

Saturated Fat 7 g35%

How we calculate these values

Diet Compatibility

High protein2.4/10 protein density from 7.7g protein and 315 calories.No

Lower carb43.4g carbs per serving.No

Low fat9.8g total fat per serving.No

High sugar42g total sugars per serving.Yes

High sodium385mg sodium per serving.No

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

Ingredients

A&W Root Beer Zero Sugar, Soft Serve Mix

Similar Items in Sweets & Treats

View all

A&W Root Beer Cream Freeze, Large798 kcal · 14.3 g protein A&W Root Beer Cream Freeze, Regular430 kcal · 7.2 g protein A&W Root Beer Float, Large578 kcal · 7.7 g protein A&W Root Beer Float, Regular320 kcal · 3.9 g protein

Compare with other items

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

Quick comparisons

A&W Zero Sugar Root Beer Float, Large has 161 fewer calories than 3 Piece Pub Battered Cod and 14.8g less protein. Compare

A&W Zero Sugar Root Beer Float, Large has 482 fewer calories than A&W Root Beer Cream Freeze, Large and 6.6g less protein. Compare

3 Piece Pub Battered Cod476 kcal · 22.5 g proteinA&W Root Beer Cream Freeze, Large798 kcal · 14.3 g proteinA&W Root Beer Cream Freeze, Regular430 kcal · 7.2 g proteinA&W Root Beer Float, Large578 kcal · 7.7 g proteinA&W Root Beer Float, Regular320 kcal · 3.9 g proteinA&W Root Beer Zero Sugar, Kid's0 kcal · 0 g protein

Compare with 3 Piece Pub Battered Cod

A&W Zero Sugar Root Beer Float, Large Compared With Nearby Items

Compared with A&W Root Beer Float, Regular, another Sweets & Treats item at A&W, A&W Zero Sugar Root Beer Float, Large has 5 fewer calories than it and 3.9g more protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for A&W Zero Sugar Root Beer Float, Large 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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