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Last updated: Aug 9, 2026

Marco's Pizza

Pepperoni & Onion Pizza Slice

Pizza By The Slice Nutrition information is per slice on original crust.Popular

Marco's Pizza Pepperoni & Onion Pizza Slice is carb-leaning, with about 47% of macro calories from carb. Each serving has 580 calories, 20.9g protein, 63.1g carbs, and 22.7g fat, making it better suited to carb-aware planning than low-carb goals.

1 Slice (243.1g)

Serving Size

243.1 g

Serving Weight

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580

Calories

Per serving

20.9 g

Protein

63.1 g

Carbs

22.7 g

Fat

Nutrition Facts

Amount per serving

Calories580 kcal

% Daily Value*

Total Fat 22.7 g29%

Saturated Fat 11.8 g59%

Trans Fat 1.6 g—

Cholesterol 56 mg19%

Sodium 1,244 mg54%

Total Carbohydrate 63.1 g23%

Dietary Fiber 2.7 g10%

Total Sugars 4.5 g—

Protein 20.9 g42%

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

580

kcal

Protein20.9 g (15%)

Carbs63.1 g (47%)

Fat22.7 g (38%)

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

Meal Planning Insights

Protein density3.6/10

15% of macro calories come from protein.

Satiety index10/10

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

Activity estimate145 min walk

About 58 minutes of running for these calories.

Key Nutrients

Protein 20.9 g42%

Fiber 2.7 g10%

Sodium 1,244 mg54%

Sugars 4.5 g—

Saturated Fat 11.8 g59%

How we calculate these values

Diet Compatibility

High protein3.6/10 protein density from 20.9g protein and 580 calories.No

Lower carb63.1g carbs per serving.No

Low fat22.7g total fat per serving.No

High sugar4.5g total sugars per serving.No

High sodium1,244mg sodium per serving.Yes

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

Ingredients

Original Crust - XLarge: Classic Dough: Flour, classic (unbleached wheat flour, malted barley flour.), Water, Dough Pack (sugar, salt, and yeast.), corn oil blend corn oil, olive oil, Corn Meal (degerminated white corn meal, niacin, iron(reduced), thiamine…

Allergens

Contains

WheatMilk

Compare with other items

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

Quick comparisons

Pepperoni & Onion Pizza Slice has 41 more calories than *Kids Plain Cheese Pizza (Add Toppings) and 0.5g more protein. Compare

Pepperoni & Onion Pizza Slice has 15 fewer calories than *Plain Cheese Personal Pizza (Add Toppings) and 0.8g 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)

Pepperoni & Onion Pizza Slice Compared With Nearby Items

Marco's Pizza Pepperoni & Onion Pizza Slice is listed in the Pizza By The Slice Nutrition information is per slice on original crust. category with 580 calories, 20.9g protein, 63.1g carbs, and 22.7g fat per serving.

Data Source and Methodology

Nutrition values for Pepperoni & Onion Pizza Slice 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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