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Last updated: Aug 9, 2026

Port of Subs

Classic Sub #18 - 24" X-Large

Classic Subs - 24" X-Large Subs are shown with white bread and include the default meat, cheese, & toppings.Popular

Port of Subs Classic Sub #18 - 24" X-Large is carb-leaning, with about 50% of macro calories from carb. Each serving has 1,543 calories, 98g protein, 192g carbs, and 40.3g fat, making it better suited to carb-aware planning than low-carb goals.

1 Sandwich (926.4g)

Serving Size

926.4 g

Serving Weight

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1,543

Calories

Per serving

98 g

Protein

192 g

Carbs

40.3 g

Fat

Nutrition Facts

Amount per serving

Calories1,543 kcal

% Daily Value*

Total Fat 40.3 g52%

Saturated Fat 18.9 g95%

Trans Fat 0 g—

Cholesterol 190 mg63%

Sodium 8,665 mg377%

Total Carbohydrate 192 g70%

Dietary Fiber 9.5 g34%

Total Sugars 15.8 g—

Protein 98 g196%

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

1,543

kcal

Protein98 g (26%)

Carbs192 g (50%)

Fat40.3 g (24%)

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

Meal Planning Insights

Protein density6.4/10

26% of macro calories come from protein.

Satiety index10/10

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

Activity estimate386 min walk

About 154 minutes of running for these calories.

Key Nutrients

Protein 98 g196%

Fiber 9.5 g34%

Sodium 8,665 mg377%

Sugars 15.8 g—

Saturated Fat 18.9 g95%

How we calculate these values

Diet Compatibility

High protein6.4/10 protein density from 98g protein and 1,543 calories.Yes

Lower carb192g carbs per serving.No

Low fat40.3g total fat per serving.No

High sugar15.8g total sugars per serving.No

High sodium8,665mg 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 - 24" X-Large has 2656 fewer calories than 2-Foot Brookie in a Box and 64.7g more protein. Compare

Classic Sub #18 - 24" X-Large has 1656 fewer calories than 2-Foot Brownie in a Box and 74.7g 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 - 24" X-Large Compared With Nearby Items

Port of Subs Classic Sub #18 - 24" X-Large is listed in the Classic Subs - 24" X-Large Subs are shown with white bread and include the default meat, cheese, & toppings. category with 1,543 calories, 98g protein, 192g carbs, and 40.3g fat per serving.

Data Source and Methodology

Nutrition values for Classic Sub #18 - 24" X-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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