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Last updated: Aug 9, 2026
Firehouse Subs

Engineer - Small

Hot Specialty SubsPopular

Firehouse Subs Engineer - Small is fat-leaning, with about 45% of macro calories from fat. Each serving has 345 calories, 18.9g protein, 29.7g carbs, and 17.6g fat, making it a lighter restaurant option to compare with larger meals.

1 Sub (2.5g)
Serving Size
2.5 g
Serving Weight
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345
Calories
Per serving
18.9 g
Protein
29.7 g
Carbs
17.6 g
Fat

Nutrition Facts

Amount per serving

Calories345 kcal
% Daily Value*
Total Fat 17.6 g23%
Saturated Fat 4 g20%
Trans Fat 0.1 g—
Cholesterol 34 mg11%
Sodium 861 mg37%
Total Carbohydrate 29.7 g11%
Dietary Fiber 2.7 g10%
Total Sugars 4 g—
Protein 18.9 g38%
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

345
kcal
Protein18.9 g (21%)
Carbs29.7 g (34%)
Fat17.6 g (45%)
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 estimate86 min walk

About 35 minutes of running for these calories.

Key Nutrients

Protein 18.9 g38%
Fiber 2.7 g10%
Sodium 861 mg37%
Sugars 4 g—
Saturated Fat 4 g20%
How we calculate these values

Diet Compatibility

High protein5.5/10 protein density from 18.9g protein and 345 calories.Yes
Lower carb29.7g carbs per serving.No
Low fat17.6g total fat per serving.No
High sugar4g total sugars per serving.No
High sodium861mg 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

Engineer - Small has 195 more calories than 1% Chocolate Milk and 11.9g more protein. Compare

Engineer - Small has 255 more calories than 1% Milk and 11.9g more protein. Compare

Compare with 1% Chocolate Milk

Engineer - Small Compared With Nearby Items

Firehouse Subs Engineer - Small is listed in the Hot Specialty Subs category with 345 calories, 18.9g protein, 29.7g carbs, and 17.6g fat per serving.

Data Source and Methodology

Nutrition values for Engineer - 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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