Firehouse Subs

Firehouse Subs Onion Nutrition Facts

A Firehouse Subs Onion contains 19 calories, 0 grams of fat and 4 grams of carbohydrates.

Keep reading to see the full nutrition facts and Weight Watchers points for a Onion from Firehouse Subs.

Firehouse Subs Onion Nutrition Facts

Updated: 5/14/2021
Serving Size	8 Rings
Calories	19	See analysis
Calories From Fat	0
	Amount Per Serving	% Daily Value*
Total Fat	0g	0%
Saturated Fat	0g	0%
Cholesterol	0mg	0%
Sodium	2mg	0%
Total Carbohydrates	4g	1%
Dietary Fiber	1g	4%
Sugars	2g
Protein	1g	2%
Vitamin A		0%
Vitamin C		3%
Calcium		1%
Iron		0%
Potassium	0mg	0%

*All percent daily value figures are based on a 2,000 calorie diet.

Nutritional information source: Firehouse Subs

Calorie analysis

There are 19 calories in a Onion from Firehouse Subs. Most of those calories come from carbohydrates (80%).

To burn the 19 calories in a Onion, you would have to run for 2 minutes or walk for 3 minutes.

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Allergens

Does Not Contain*

egg

fish

gluten

milk

MSG

nitrates

peanuts

seeds

shellfish

soy

sulfites

tree nuts

wheat

Unknown

glutamates

mustard

sesame

Allergy Information: a Firehouse Subs Onion does not contain egg, fish, gluten, milk, MSG, nitrates, peanuts, seeds, shellfish, soy, sulfites, tree nuts or wheat.*

* Please keep in mind that most fast food restaurants cannot guarantee that any product is free of allergens as they use shared equipment for prepping foods.