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Last updated: Aug 9, 2026

Firehouse Subs

Black Olives

Medium Sub ToppingsPopular

Firehouse Subs Black Olives is fat-leaning, with about 90% of macro calories from fat. Each serving has 25 calories, 0.1g protein, 0.6g carbs, and 2.5g fat, making it a lighter restaurant option to compare with larger meals.

0.5 Ounces (14.2g)

Serving Size

14.2 g

Serving Weight

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Calories

Per serving

0.1 g

Protein

0.6 g

Carbs

2.5 g

Fat

Nutrition Facts

Amount per serving

Calories25 kcal

% Daily Value*

Total Fat 2.5 g3%

Saturated Fat 0.4 g2%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 71 mg3%

Total Carbohydrate 0.6 g0%

Dietary Fiber 0.5 g2%

Total Sugars 0 g—

Protein 0.1 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

kcal

Protein0.1 g (1%)

Carbs0.6 g (9%)

Fat2.5 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 index3.1/10

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

Activity estimate6 min walk

About 3 minutes of running for these calories.

Key Nutrients

Protein 0.1 g0%

Fiber 0.5 g2%

Sodium 71 mg3%

Sugars 0 g—

Saturated Fat 0.4 g2%

How we calculate these values

Diet Compatibility

High protein0.3/10 protein density from 0.1g protein and 25 calories.No

Lower carb0.6g carbs per serving.Yes

Low fat2.5g total fat per serving.Yes

High sugar0g total sugars per serving.No

High sodium71mg 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).

Similar Items in Medium Sub Toppings

View all

Au Jus Bell Peppers3 kcal · 0.1 g protein Au Jus Mushrooms5 kcal · 0.6 g protein Avocado80 kcal · 1 g protein

Compare with other items

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

Quick comparisons

Black Olives has 125 fewer calories than 1% Chocolate Milk and 6.9g less protein. Compare

Black Olives has 65 fewer calories than 1% Milk and 6.9g less protein. Compare

1% Chocolate Milk150 kcal · 7 g protein1% Milk90 kcal · 7 g protein5-Cheese Mac & Cheese380 kcal · 17 g proteinApple Juice100 kcal · 0 g proteinAu Jus Bell Peppers5 kcal · 0.2 g proteinAu Jus Bell Peppers3 kcal · 0.1 g protein

Compare with 1% Chocolate Milk

Black Olives Compared With Nearby Items

Compared with Au Jus Mushrooms, another Medium Sub Toppings item at Firehouse Subs, Black Olives has 20 more calories than it and 0.5g 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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