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Last updated: Aug 9, 2026

Port of Subs

Classic Sub #18 - 8" Medium

Classic Subs - 8" Medium Subs are shown with white bread and include the default meat, cheese, & toppings.Popular

Port of Subs Classic Sub #18 - 8" Medium is carb-leaning, with about 48% of macro calories from carb. Each serving has 548 calories, 36.8g protein, 64.8g carbs, and 14.9g fat, making it a stronger fit for high-protein restaurant planning.

1 Sandwich (342.3g)

Serving Size

342.3 g

Serving Weight

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548

Calories

Per serving

36.8 g

Protein

64.8 g

Carbs

14.9 g

Fat

Nutrition Facts

Amount per serving

Calories548 kcal

% Daily Value*

Total Fat 14.9 g19%

Saturated Fat 7.1 g35%

Trans Fat 0 g—

Cholesterol 75 mg25%

Sodium 3,097 mg135%

Total Carbohydrate 64.8 g24%

Dietary Fiber 3.3 g12%

Total Sugars 5.7 g—

Protein 36.8 g74%

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

548

kcal

Protein36.8 g (27%)

Carbs64.8 g (48%)

Fat14.9 g (25%)

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

Meal Planning Insights

Protein density6.7/10

27% of macro calories come from protein.

Satiety index10/10

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

Activity estimate137 min walk

About 55 minutes of running for these calories.

Key Nutrients

Protein 36.8 g74%

Fiber 3.3 g12%

Sodium 3,097 mg135%

Sugars 5.7 g—

Saturated Fat 7.1 g35%

How we calculate these values

Diet Compatibility

High protein6.7/10 protein density from 36.8g protein and 548 calories.Yes

Lower carb64.8g carbs per serving.No

Low fat14.9g total fat per serving.No

High sugar5.7g total sugars per serving.No

High sodium3,097mg sodium per serving.Yes

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

Ingredients

White Bread: Un-Bleached Wheat Flour (Wheat Flour, Malted Barley Flour, Niacin, Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, Yeast Fresh, Sugar, Salt, Shortening Interesterified Soybean Oil, Hydrogenated Soybean Oil (Soybeans), Arctic (Wheat).,…

Allergens

Contains

WheatMilkSoy

Compare with other items

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

Quick comparisons

Classic Sub #18 - 8" Medium has 3651 fewer calories than 2-Foot Brookie in a Box and 3.6g more protein. Compare

Classic Sub #18 - 8" Medium has 2651 fewer calories than 2-Foot Brownie in a Box and 13.6g more 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

Classic Sub #18 - 8" Medium Compared With Nearby Items

Port of Subs Classic Sub #18 - 8" Medium is listed in the Classic Subs - 8" Medium Subs are shown with white bread and include the default meat, cheese, & toppings. category with 548 calories, 36.8g protein, 64.8g carbs, and 14.9g fat per serving.

Data Source and Methodology

Nutrition values for Classic Sub #18 - 8" Medium 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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