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Last updated: Aug 9, 2026

Firehouse Subs

Roast Beef - Medium

Single Meat SubsPopular

Firehouse Subs Roast Beef - Medium is fat-leaning, with about 46% of macro calories from fat. Each serving has 739 calories, 40.9g protein, 53.8g carbs, and 36.5g fat, making it better suited to carb-aware planning than low-carb goals.

1 Sub (5g)

Serving Size

5 g

Serving Weight

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739

Calories

Per serving

40.9 g

Protein

53.8 g

Carbs

36.5 g

Fat

Nutrition Facts

Amount per serving

Calories739 kcal

% Daily Value*

Total Fat 36.5 g47%

Saturated Fat 8.1 g40%

Trans Fat 0 g—

Cholesterol 81 mg27%

Sodium 1,671 mg73%

Total Carbohydrate 53.8 g20%

Dietary Fiber 3.9 g14%

Total Sugars 6 g—

Protein 40.9 g82%

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

739

kcal

Protein40.9 g (23%)

Carbs53.8 g (30%)

Fat36.5 g (46%)

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

Meal Planning Insights

Protein density5.5/10

23% of macro calories come from protein.

Satiety index10/10

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

Activity estimate185 min walk

About 74 minutes of running for these calories.

Key Nutrients

Protein 40.9 g82%

Fiber 3.9 g14%

Sodium 1,671 mg73%

Sugars 6 g—

Saturated Fat 8.1 g40%

How we calculate these values

Diet Compatibility

High protein5.5/10 protein density from 40.9g protein and 739 calories.Yes

Lower carb53.8g carbs per serving.No

Low fat36.5g total fat per serving.No

High sugar6g total sugars per serving.No

High sodium1,671mg sodium per serving.Yes

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

Ingredients

Medium White Sub Roll: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR, WATER, SUGAR, YEAST, SOYBEAN OIL, SALT, WHEAT GLUTEN, DOUGH CONDITIONER (ASCORBIC ACID, ENZYMES), CALCIUM…

Allergens

Contains

WheatMilkEggSoy

Compare with other items

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

Quick comparisons

Roast Beef - Medium has 589 more calories than 1% Chocolate Milk and 33.9g more protein. Compare

Roast Beef - Medium has 649 more calories than 1% Milk and 33.9g more protein. Compare

1% Chocolate Milk150 kcal · 7 g protein1% Milk90 kcal · 7 g protein5-Cheese Mac & Cheese380 kcal · 17 g proteinApple Juice100 kcal · 0 g proteinAu Jus Bell Peppers5 kcal · 0.2 g proteinAu Jus Bell Peppers3 kcal · 0.1 g protein

Compare with 1% Chocolate Milk

Roast Beef - Medium Compared With Nearby Items

Firehouse Subs Roast Beef - Medium is listed in the Single Meat Subs category with 739 calories, 40.9g protein, 53.8g carbs, and 36.5g fat per serving.

Data Source and Methodology

Nutrition values for Roast Beef - 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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