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Last updated: Aug 9, 2026

Firehouse Subs

Prime Rib Steak - Small

Hot Specialty SubsPopular

Firehouse Subs Prime Rib Steak - Small is fat-leaning, with about 47% of macro calories from fat. Each serving has 401 calories, 22g protein, 33.1g carbs, and 21.6g fat, making it a moderate option for comparing calories and macros.

1 Sub (148.5g)

Serving Size

148.5 g

Serving Weight

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401

Calories

Per serving

22 g

Protein

33.1 g

Carbs

21.6 g

Fat

Nutrition Facts

Amount per serving

Calories401 kcal

% Daily Value*

Total Fat 21.6 g28%

Saturated Fat 6.2 g31%

Trans Fat 0 g—

Cholesterol 58 mg19%

Sodium 1,262 mg55%

Total Carbohydrate 33.1 g12%

Dietary Fiber 3.4 g12%

Total Sugars 5.2 g—

Protein 22 g44%

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

401

kcal

Protein22 g (21%)

Carbs33.1 g (32%)

Fat21.6 g (47%)

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

Meal Planning Insights

Protein density5.5/10

21% of macro calories come from protein.

Satiety index10/10

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

Activity estimate100 min walk

About 40 minutes of running for these calories.

Key Nutrients

Protein 22 g44%

Fiber 3.4 g12%

Sodium 1,262 mg55%

Sugars 5.2 g—

Saturated Fat 6.2 g31%

How we calculate these values

Diet Compatibility

High protein5.5/10 protein density from 22g protein and 401 calories.Yes

Lower carb33.1g carbs per serving.No

Low fat21.6g total fat per serving.No

High sugar5.2g total sugars per serving.No

High sodium1,262mg sodium per serving.Yes

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

Ingredients

Medium Wheat Sub Roll: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR, WATER, WHOLE WHEAT FLOUR, SUGAR, YEAST, WHEAT GLUTEN, SOYBEAN OIL, WHEAT BRAN, SALT, DRY HONEY (HONEY, SUGAR),…

Allergens

Contains

WheatMilkEggSoy

Compare with other items

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

Quick comparisons

Prime Rib Steak - Small has 251 more calories than 1% Chocolate Milk and 15g more protein. Compare

Prime Rib Steak - Small has 311 more calories than 1% Milk and 15g 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

Prime Rib Steak - Small Compared With Nearby Items

Firehouse Subs Prime Rib Steak - Small is listed in the Hot Specialty Subs category with 401 calories, 22g protein, 33.1g carbs, and 21.6g fat per serving.

Data Source and Methodology

Nutrition values for Prime Rib Steak - Small 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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