What does 100 calories of pepperoni look like?

100 calories =10 slices20 g · 0.7 oz

High calorie density5.04 kcal/g

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Each 🍕 = one slice (~2.0 g). The last icon shows a part of one.

Food volume for 100 kcal

Pepperoni has 504 calories per 100 g, so 100 calories is 10 slices of pepperoni (20 g). That's a smaller portion than most protein foods on this site (average 64 g per 100 kcal). About 84% of its calories come from fat, which is why the portion looks small. Weigh or measure it at first: eyeballed portions of dense foods are where hidden calories come from.

Pepperoni: 50 to 500 calories

Calories	Grams	Ounces	Slices
50 kcal	10 g	0.4 oz	5
100 kcal	20 g	0.7 oz	10
200 kcal	40 g	1.4 oz	20
300 kcal	59 g	2.1 oz	30
500 kcal	99 g	3.5 oz	50

What's in 100 calories of pepperoni

3.8 gprotein

0.2 gcarbs

9.2 gfat

0.0 gfiber

Protein 15% Carbs 1% Fat 84% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than pepperoni:

Sauerkraut100 kcal = 3¾ cups 526 g18.6 oz Romaine lettuce100 kcal = 13 cups (shredded) 588 g20.7 oz Asparagus100 kcal = 31 spears 500 g17.6 oz Spinach (raw)100 kcal = 14 cups 435 g15.3 oz

Compare with other protein foods

Food	100 kcal is	Grams
🍕 Pepperoni	10 slices	20 g
🥚 Egg whites	5¾ large egg whites	192 g
⬜ Tofu (firm)	1½ quarter blocks	128 g
🦞 Lobster (cooked)	¾ cup	112 g
🫘 Refried beans	½ cup	111 g
🫘 Baked beans	½ cup	106 g
🦀 Crab (cooked)	3⅔ oz	103 g
🐟 Cod (cooked)	½ fillet	95 g
🦃 Turkey breast (deli)	6 slices	94 g
🐟 Canned tuna (in water)	½ can	86 g
🫘 Lentils (cooked)	½ cup	86 g
🍤 Shrimp (cooked)	15 large shrimp	84 g
🫛 Edamame (shelled)	½ cup	83 g

See all protein foods →

Questions

How much is 100 calories of pepperoni?

100 calories of pepperoni is about 20 g (0.7 oz), or roughly 10 slices.

How many calories are in 100 g of pepperoni?

504 calories per 100 g, according to USDA FoodData Central.

Is pepperoni good for weight loss?

High calorie density (5.04 kcal per gram). Small portions add up fast. Measuring matters most for foods like this. 100 calories also gives you 3.8 g of protein and 0.0 g of fiber.

How many calories are in one slice?

About 10 calories.

How many slices is 200 calories?

About 20 (40 g).

Free printable

One page with 300+ foods and their exact 100-calorie portions. Stick it on the fridge.

Source: USDA FoodData Central, "Pepperoni, beef and pork, sliced" (FDC ID 174575). Grams for 100 kcal = 100 ÷ calories per gram. Unit weight: USDA: 1 piece = 2.0 g. Real portions vary by size, variety and preparation. Updated 2026-10-23.