Last updated: Aug 9, 2026
Firehouse Subs

Black Olives

Large Sub ToppingsPopular

Firehouse Subs Black Olives is fat-leaning, with about 90% of macro calories from fat. Each serving has 51 calories, 0.2g protein, 1.1g carbs, and 5.1g fat, making it a lighter restaurant option to compare with larger meals.

1 Ounces (28.4g)
Serving Size
28.4 g
Serving Weight
51
Calories
Per serving
0.2 g
Protein
1.1 g
Carbs
5.1 g
Fat

Nutrition Facts

Amount per serving

Calories51 kcal
% Daily Value*
Total Fat 5.1 g6%
Saturated Fat 0.9 g4%
Trans Fat 0 g—
Cholesterol 0 mg0%
Sodium 142 mg6%
Total Carbohydrate 1.1 g0%
Dietary Fiber 1 g4%
Total Sugars 0 g—
Protein 0.2 g0%
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

51
kcal
Protein0.2 g (1%)
Carbs1.1 g (9%)
Fat5.1 g (90%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density0.3/10

1% of macro calories come from protein.

Satiety index3.3/10

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

Activity estimate13 min walk

About 5 minutes of running for these calories.

Key Nutrients

Protein 0.2 g0%
Fiber 1 g4%
Sodium 142 mg6%
Sugars 0 g—
Saturated Fat 0.9 g4%
How we calculate these values

Diet Compatibility

High protein0.3/10 protein density from 0.2g protein and 51 calories.No
Lower carb1.1g carbs per serving.Yes
Low fat5.1g total fat per serving.No
High sugar0g total sugars per serving.No
High sodium142mg sodium per serving.No
Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Ingredients

RIPE OLIVES, WATER, SALT AND FERROUS GLUCONATE (ADDED TO STABALIZE COLOR).

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Compare with other items

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

Quick comparisons

Black Olives has 99 fewer calories than 1% Chocolate Milk and 6.8g less protein. Compare

Black Olives has 39 fewer calories than 1% Milk and 6.8g less protein. Compare

Compare with 1% Chocolate Milk

Black Olives Compared With Nearby Items

Compared with Au Jus Mushrooms, another Large Sub Toppings item at Firehouse Subs, Black Olives has 41 more calories than it and 1g less protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Black Olives 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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