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Last updated: Aug 9, 2026
Firehouse Subs

Tuna Salad

Large Sub MeatsPopular

Firehouse Subs Tuna Salad is fat-leaning, with about 64% of macro calories from fat. Each serving has 656 calories, 45.2g protein, 13.3g carbs, and 46.2g fat, making it a stronger fit for high-protein restaurant planning.

10 Ounces
Serving Size
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656
Calories
Per serving
45.2 g
Protein
13.3 g
Carbs
46.2 g
Fat

Nutrition Facts

Amount per serving

Calories656 kcal
% Daily Value*
Total Fat 46.2 g59%
Saturated Fat 6.1 g30%
Trans Fat 0 g—
Cholesterol 106 mg35%
Sodium 1,264 mg55%
Total Carbohydrate 13.3 g5%
Dietary Fiber 0.3 g1%
Total Sugars 8.5 g—
Protein 45.2 g90%
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

656
kcal
Protein45.2 g (28%)
Carbs13.3 g (8%)
Fat46.2 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 estimate164 min walk

About 66 minutes of running for these calories.

Key Nutrients

Protein 45.2 g90%
Fiber 0.3 g1%
Sodium 1,264 mg55%
Sugars 8.5 g—
Saturated Fat 6.1 g30%
How we calculate these values

Diet Compatibility

High protein6.9/10 protein density from 45.2g protein and 656 calories.Yes
Lower carb13.3g carbs per serving.Yes
Low fat46.2g total fat per serving.No
High sugar8.5g total sugars per serving.No
High sodium1,264mg sodium per serving.Yes
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 506 more calories than 1% Chocolate Milk and 38.2g more protein. Compare

Tuna Salad has 566 more calories than 1% Milk and 38.2g more protein. Compare

Compare with 1% Chocolate Milk

Tuna Salad Compared With Nearby Items

Firehouse Subs Tuna Salad is listed in the Large Sub Meats category with 656 calories, 45.2g protein, 13.3g carbs, and 46.2g 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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