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Last updated: Aug 9, 2026
Firehouse Subs

Tuna Salad

Medium Sub MeatsPopular

Firehouse Subs Tuna Salad is fat-leaning, with about 64% of macro calories from fat. Each serving has 328 calories, 22.6g protein, 6.7g carbs, and 23.1g fat, making it a lighter restaurant option to compare with larger meals.

5 Ounces
Serving Size
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328
Calories
Per serving
22.6 g
Protein
6.7 g
Carbs
23.1 g
Fat

Nutrition Facts

Amount per serving

Calories328 kcal
% Daily Value*
Total Fat 23.1 g30%
Saturated Fat 3 g15%
Trans Fat 0 g—
Cholesterol 53 mg18%
Sodium 632 mg27%
Total Carbohydrate 6.7 g2%
Dietary Fiber 0.2 g1%
Total Sugars 4.2 g—
Protein 22.6 g45%
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

328
kcal
Protein22.6 g (28%)
Carbs6.7 g (8%)
Fat23.1 g (64%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density6.9/10

28% of macro calories come from protein.

Satiety index10/10

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

Activity estimate82 min walk

About 33 minutes of running for these calories.

Key Nutrients

Protein 22.6 g45%
Fiber 0.2 g1%
Sodium 632 mg27%
Sugars 4.2 g—
Saturated Fat 3 g15%
How we calculate these values

Diet Compatibility

High protein6.9/10 protein density from 22.6g protein and 328 calories.Yes
Lower carb6.7g carbs per serving.Yes
Low fat23.1g total fat per serving.No
High sugar4.2g total sugars per serving.No
High sodium632mg sodium per serving.No
Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Ingredients

TUNA(LIGHT TUNA (FISH), WATER, VEGETABLE BROTH, SALT.), MAYO(SOYBEAN OIL, WATER, CORN SYRUP, EGG YOLKS, DISTILLED AND CIDER VINEGAR, SALT, SPICE, CALCIUM DISODIUM EDTA.), CUCUMBERS, HIGH FRUCTOSE CORN SYRUP, VINEGAR, WATER, SUGAR, DICED RED PEPPER, MUSTARD…

Allergens

Contains

EggSoy

Compare with other items

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

Quick comparisons

Tuna Salad has 178 more calories than 1% Chocolate Milk and 15.6g more protein. Compare

Tuna Salad has 238 more calories than 1% Milk and 15.6g more protein. Compare

Compare with 1% Chocolate Milk

Tuna Salad Compared With Nearby Items

Firehouse Subs Tuna Salad is listed in the Medium Sub Meats category with 328 calories, 22.6g protein, 6.7g carbs, and 23.1g fat per serving.

Data Source and Methodology

Nutrition values for Tuna Salad 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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