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Last updated: Aug 9, 2026

Port of Subs

Diet Coke - 12 fl oz

Beverages - KidsPopular

Port of Subs Diet Coke - 12 fl oz has a relatively balanced macro split: 0% protein, 0% carbs, and 0% fat. Each serving has 0 calories, 0g protein, 0g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

12 Fl oz

Serving Size

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Calories

Per serving

0 g

Protein

0 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories0 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 50 mg2%

Total Carbohydrate 0 g0%

Dietary Fiber 0 g0%

Total Sugars 0 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

kcal

Protein0 g (0%)

Carbs0 g (0%)

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 index3/10

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

Activity estimate1 min walk

About 1 minutes of running for this calorie total.

Key Nutrients

Protein 0 g0%

Fiber 0 g0%

Sodium 50 mg2%

Sugars 0 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

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

Lower carb0g carbs per serving.Yes

Low fat0g total fat per serving.Yes

High sugar0g total sugars per serving.No

High sodium50mg sodium per serving.No

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

Ingredients

Ingredient Statement For Syrup | Water, Caramel Color, Phosphoric Acid, Sodium Saccharin, Potassium Benzoate (To Protect Taste), Natural Flavors, Citric Acid, Caffeine, Potassium Citrate, Aspartame, Dimethylpolysiloxane. Ingredient Statement For Beverage |…

Similar Items in Beverages - Kids

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A&W Root Beer - 12 fl oz170 kcal · 0 g protein

Compare with other items

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

Quick comparisons

Diet Coke - 12 fl oz has 4199 fewer calories than 2-Foot Brookie in a Box and 33.2g less protein. Compare

Diet Coke - 12 fl oz has 3199 fewer calories than 2-Foot Brownie in a Box and 23.2g less protein. Compare

2-Foot Brookie in a Box4,199 kcal · 33.2 g protein2-Foot Brownie in a Box3,199 kcal · 23.2 g protein2-Foot Classic Sub Macaroni Salad Center3,815 kcal · 163.6 g protein2-Foot Classic Sub Potato Salad Center3,248 kcal · 158 g protein2-Foot Cookie in a Box3,000 kcal · 30 g protein4x4 Brookie954 kcal · 7.4 g protein

Compare with 2-Foot Brookie in a Box

Diet Coke - 12 fl oz Compared With Nearby Items

Compared with A&W Root Beer - 12 fl oz, another Beverages - Kids item at Port of Subs, Diet Coke - 12 fl oz has 170 fewer calories than it and the same protein as 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 Diet Coke - 12 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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