How many calories is Pepperoni Pizza?

1 slice (150g) of Pepperoni Pizza has 423 calories.

How much protein is in Pepperoni Pizza?

1 slice (150g) of Pepperoni Pizza has 18 grams of protein.

How many calories are in 100g of Pepperoni Pizza?

100g of Pepperoni Pizza has 282 calories and 12 grams of protein.

What is a standard serving for Pepperoni Pizza?

A standard serving of Pepperoni Pizza is 1 slice (150g), which has 423 calories and 18 grams of protein.

How do I estimate my portion of Pepperoni Pizza?

The easiest way is to estimate the main calorie drivers separately: number of slices, crust thickness, cheese coverage and pepperoni coverage. If you don't know how much Pepperoni Pizza you ate, or whether you had a slice, pizza 12" diameter, pizza, plate, bowl or cup, download Welling and it will help estimate the portion for you.

Pepperoni Pizza

Generic

1 slice (150g) of Pepperoni Pizza contains 423 calories and 18 grams of protein

Amount

Serving

Other servings:

423 calories

per 1 slice (150g)

Protein 18g

Carbs View in app

Fat View in app

Log with Welling

See the full macros for Pepperoni Pizza in the Welling app.

Nutrition Facts for 1 slice (150g) of Pepperoni Pizza

Nutrition per serving of Pepperoni Pizza. Values other than calories and protein are available in the Welling app.
Calories	423 kcal
Protein	18g
Fat	View in app
Carbs	View in app
Fiber	View in app
Sugar	View in app
Sodium	View in app

Macro Ratio for Pepperoni Pizza

See how protein, carb and fat are split for this food in the app.

View in app

Foods Related to Pepperoni Pizza

Healthier Alternatives for Pepperoni Pizza

Frequently Asked Questions

How many calories is Pepperoni Pizza?: 1 slice (150g) of Pepperoni Pizza has 423 calories.
How much protein is in Pepperoni Pizza?: 1 slice (150g) of Pepperoni Pizza has 18 grams of protein.
How many calories are in 100g of Pepperoni Pizza?: 100g of Pepperoni Pizza has 282 calories and 12 grams of protein.
What is a standard serving for Pepperoni Pizza?: A standard serving of Pepperoni Pizza is 1 slice (150g), which has 423 calories and 18 grams of protein.
How do I estimate my portion of Pepperoni Pizza?: The easiest way is to estimate the main calorie drivers separately: number of slices, crust thickness, cheese coverage and pepperoni coverage. If you don't know how much Pepperoni Pizza you ate, or whether you had a slice, pizza 12" diameter, pizza, plate, bowl or cup, download Welling and it will help estimate the portion for you.

Sources and methodology

Nutrition values are reviewed and compiled from published food composition data, the sources listed below, and Welling’s own nutrition database. Values are based on common serving sizes and may vary by portion size, ingredients, cooking method, and restaurant preparation.

References

USDA FoodData Central (opens in a new tab) US Department of Agriculture
EFSA food composition data (opens in a new tab) European Food Safety Authority
Energy and Nutrient Composition of Food (SG FoodID) (opens in a new tab) Health Promotion Board, Singapore
Nutrient Information Inquiry System (opens in a new tab) Centre for Food Safety, Hong Kong
MenuStat (opens in a new tab) Restaurant menu nutrition data, NYC Department of Health and Mental Hygiene
Welling food database Welling's own food and serving size data

Last updated: September 29, 2026