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Popped popcorn calories

Popped popcorn, air-popped, plain
31kcal
1 cup · 8 g, air-popped, plain
13%protein
1 gProtein
6 gCarbs
0.4 gFat
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Nutrition facts
Air-popped, plain · per 8 g
Calories31 kcal
Protein1 g
Carbohydrate6.2 g
Fat0.4 g
Saturated fat0.1 g
Cholesterol0 mg
Sodium1 mg
Potassium26 mg
Iron0.3 mg

Source: USDA FoodData Central

🛡️
Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

Most popular popped popcorn brands in the United States
Ranked by popularity in the BodyPal database
#  Productkcal / 100 g
1Sexypop Gourmet Air Popped Popcorn Black Pepper18 g500 kcal
2Smartfood Air Popped Popcorn White Cheddar3.5 cups · 28 g464 kcal
3SkinnyPop Popped Popcorn3.75 cups · 28 g536 kcal
4Gourmet Select Air Popped Popcorn Cheddar Cheese2.75 cups · 28 g571 kcal
5Wise Air Popped Popcorn White Cheddar1 oz · 28 g536 kcal
6Wise Premium Air-Popped Popcorn White Cheddar1 bag · 28 g536 kcal

Bagged snack popcorn is seasoned and coated in oil, so the label numbers run well above the plain air-popped figures above.
Source: manufacturer labels / USDA FoodData Central.

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Popped popcorn FAQs
How many calories are in a cup of popped popcorn?

About 31 calories in one cup of air-popped popcorn (8 g). Three cups come to 93 calories.

Is popcorn good for weight loss?

A cup of air-popped popcorn is 31 calories and has about 1.2 g of fiber, so a 3-cup serving is 93 calories with roughly 3.5 g of fiber.

Popped popcorn vs microwave popcorn: which has more calories?

Air-popped popcorn is 387 calories per 100 g, while oil-popped microwave popcorn is 583 per 100 g. That is 31 calories for an air-popped cup against 64 for a microwave cup (11 g).

How much protein is in popped popcorn?

Air-popped popcorn has 12.9 g of protein per 100 g, so a cup (8 g) gives 1 g and a 1 oz portion (28 g) gives 3.6 g.