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Last updated: Aug 9, 2026
Firehouse Subs

Tuna - Medium

Cold SubsPopular

Firehouse Subs Tuna - Medium is fat-leaning, with about 56% of macro calories from fat. Each serving has 905 calories, 39.2g protein, 60.5g carbs, and 56.6g 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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905
Calories
Per serving
39.2 g
Protein
60.5 g
Carbs
56.6 g
Fat

Nutrition Facts

Amount per serving

Calories905 kcal
% Daily Value*
Total Fat 56.6 g73%
Saturated Fat 10.1 g51%
Trans Fat 0 g—
Cholesterol 83 mg28%
Sodium 1,574 mg68%
Total Carbohydrate 60.5 g22%
Dietary Fiber 4 g14%
Total Sugars 10.3 g—
Protein 39.2 g78%
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

905
kcal
Protein39.2 g (17%)
Carbs60.5 g (27%)
Fat56.6 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 estimate226 min walk

About 90 minutes of running for these calories.

Key Nutrients

Protein 39.2 g78%
Fiber 4 g14%
Sodium 1,574 mg68%
Sugars 10.3 g—
Saturated Fat 10.1 g51%
How we calculate these values

Diet Compatibility

High protein4.3/10 protein density from 39.2g protein and 905 calories.No
Lower carb60.5g carbs per serving.No
Low fat56.6g total fat per serving.No
High sugar10.3g total sugars per serving.No
High sodium1,574mg 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 - Medium has 755 more calories than 1% Chocolate Milk and 32.2g more protein. Compare

Tuna - Medium has 815 more calories than 1% Milk and 32.2g more protein. Compare

Compare with 1% Chocolate Milk

Tuna - Medium Compared With Nearby Items

Firehouse Subs Tuna - Medium is listed in the Cold Subs category with 905 calories, 39.2g protein, 60.5g carbs, and 56.6g fat per serving.

Data Source and Methodology

Nutrition values for Tuna - 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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