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Last updated: Aug 9, 2026

Port of Subs

Roast Beef - Small (Classic Sub #18)

Meats - Small Subs Ingredients differ among locations and are specified below. Nutrition information provided by per serving in sub.Popular

Port of Subs Roast Beef - Small (Classic Sub #18) is protein-leaning, with about 60% of macro calories from protein. Each serving has 54 calories, 7.8g protein, 0g carbs, and 2.3g fat, making it a lighter restaurant option to compare with larger meals.

1 Serving (43.6g)

Serving Size

43.6 g

Serving Weight

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Calories

Per serving

7.8 g

Protein

0 g

Carbs

2.3 g

Fat

Nutrition Facts

Amount per serving

Calories54 kcal

% Daily Value*

Total Fat 2.3 g3%

Saturated Fat 1.2 g6%

Trans Fat 0 g—

Cholesterol 23 mg8%

Sodium 428 mg19%

Total Carbohydrate 0 g0%

Dietary Fiber 0 g0%

Total Sugars 0 g—

Protein 7.8 g16%

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

Protein7.8 g (60%)

Carbs0 g (0%)

Fat2.3 g (40%)

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

Meal Planning Insights

Protein density10/10

60% of macro calories come from protein.

Satiety index6.9/10

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

Activity estimate14 min walk

About 5 minutes of running for these calories.

Key Nutrients

Protein 7.8 g16%

Fiber 0 g0%

Sodium 428 mg19%

Sugars 0 g—

Saturated Fat 1.2 g6%

How we calculate these values

Diet Compatibility

High protein10/10 protein density from 7.8g protein and 54 calories.Yes

Lower carb0g carbs per serving.Yes

Low fat2.3g total fat per serving.Yes

High sugar0g total sugars per serving.No

High sodium428mg sodium per serving.No

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

Ingredients

Roast Beef: Beef, Water, Isolated Soy Protien (Contains Soy Lecithin), Salt, Sodium Phosphate, Sugar, Flavoring. Caramel Color Added, rubbed with Qualifier (See Ingedient Statement) Qualifying Statement: Rubbed with Salt, Dextrose, Sugar, Caramel Color,…

Allergens

Contains

Soy

Compare with other items

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

Quick comparisons

Roast Beef - Small (Classic Sub #18) has 4144 fewer calories than 2-Foot Brookie in a Box and 25.5g less protein. Compare

Roast Beef - Small (Classic Sub #18) has 3144 fewer calories than 2-Foot Brownie in a Box and 15.5g 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

Roast Beef - Small (Classic Sub #18) Compared With Nearby Items

Port of Subs Roast Beef - Small (Classic Sub #18) is listed in the Meats - Small Subs Ingredients differ among locations and are specified below. Nutrition information provided by per serving in sub. category with 54 calories, 7.8g protein, 0g carbs, and 2.3g fat per serving.

Data Source and Methodology

Nutrition values for Roast Beef - Small (Classic Sub #18) 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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