NutrimetryRestaurant nutrition made simple.

☰

Last updated: Aug 9, 2026

Marco's Pizza

Red Onions

Build Your Own Medium Pizza - Toppings Topping only. Portion is per serving (1/8 pizza).Popular

Marco's Pizza Red Onions is carb-leaning, with about 88% of macro calories from carb. Each serving has 3 calories, 0.1g protein, 0.7g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

0.3 Ounce-weight (7.1g)

Serving Size

7.1 g

Serving Weight

Add to Meal Ask AI about this item

Calories

Per serving

0.1 g

Protein

0.7 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories3 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 0 mg0%

Total Carbohydrate 0.7 g0%

Dietary Fiber 0.1 g0%

Total Sugars 0.3 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 (10%)

Carbs0.7 g (88%)

Fat0 g (2%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density2.7/10

10% of macro calories come from protein.

Satiety index3.1/10

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

Activity estimate1 min walk

About 1 minutes of running for this calorie total.

Key Nutrients

Protein 0.1 g0%

Fiber 0.1 g0%

Sodium 0 mg0%

Sugars 0.3 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein2.7/10 protein density from 0.1g protein and 3 calories.No

Lower carb0.7g carbs per serving.Yes

Low fat0g total fat per serving.Yes

High sugar0.3g total sugars per serving.No

High sodium0mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Ingredients

(red onion)

Compare with other items

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

Quick comparisons

Red Onions has 537 fewer calories than *Kids Plain Cheese Pizza (Add Toppings) and 20.3g less protein. Compare

Red Onions has 592 fewer calories than *Plain Cheese Personal Pizza (Add Toppings) and 21.7g less protein. Compare

*Kids Plain Cheese Pizza (Add Toppings)540 kcal · 20.4 g protein*Plain Cheese Personal Pizza (Add Toppings)595 kcal · 21.8 g protein10 Count Garlic Parmesan Chicken Wings869 kcal · 39.6 g protein10 Count Hot Chicken Wings719 kcal · 37.8 g protein10 Count Lemon Pepper Chicken Wings613 kcal · 37.8 g protein10 Count Plain Chicken Wings613 kcal · 37.8 g protein

Compare with *Kids Plain Cheese Pizza (Add Toppings)

Red Onions Compared With Nearby Items

Marco's Pizza Red Onions is listed in the Build Your Own Medium Pizza - Toppings Topping only. Portion is per serving (1/8 pizza). category with 3 calories, 0.1g protein, 0.7g carbs, and 0g fat per serving.

Data Source and Methodology

Nutrition values for Red Onions 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

Ask AI about this item

Get personalized nutrition advice and meal ideas.

Is this good for muscle gain?Can I eat this while cutting?

Ask AIAsk Nutrimetry AI