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Last updated: Aug 9, 2026
Firehouse Subs

Tuna - Small

Cold SubsPopular

Firehouse Subs Tuna - Small is fat-leaning, with about 56% of macro calories from fat. Each serving has 452 calories, 19.6g protein, 30.3g carbs, and 28.3g fat, making it worth balancing with lower-fat items in the same meal.

1 Sub (2.5g)
Serving Size
2.5 g
Serving Weight
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452
Calories
Per serving
19.6 g
Protein
30.3 g
Carbs
28.3 g
Fat

Nutrition Facts

Amount per serving

Calories452 kcal
% Daily Value*
Total Fat 28.3 g36%
Saturated Fat 5.1 g25%
Trans Fat 0 g—
Cholesterol 42 mg14%
Sodium 787 mg34%
Total Carbohydrate 30.3 g11%
Dietary Fiber 2 g7%
Total Sugars 5.1 g—
Protein 19.6 g39%
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

452
kcal
Protein19.6 g (17%)
Carbs30.3 g (27%)
Fat28.3 g (56%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density4.3/10

17% of macro calories come from protein.

Satiety index10/10

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

Activity estimate113 min walk

About 45 minutes of running for these calories.

Key Nutrients

Protein 19.6 g39%
Fiber 2 g7%
Sodium 787 mg34%
Sugars 5.1 g—
Saturated Fat 5.1 g25%
How we calculate these values

Diet Compatibility

High protein4.3/10 protein density from 19.6g protein and 452 calories.No
Lower carb30.3g carbs per serving.No
Low fat28.3g total fat per serving.No
High sugar5.1g total sugars per serving.No
High sodium787mg 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

Tuna - Small has 302 more calories than 1% Chocolate Milk and 12.6g more protein. Compare

Tuna - Small has 362 more calories than 1% Milk and 12.6g more protein. Compare

Compare with 1% Chocolate Milk

Tuna - Small Compared With Nearby Items

Firehouse Subs Tuna - Small is listed in the Cold Subs category with 452 calories, 19.6g protein, 30.3g carbs, and 28.3g fat per serving.

Data Source and Methodology

Nutrition values for Tuna - 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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