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Air-popped popcorn calories

Air-popped popcorn, air-popped, no butter
31kcal
1 cup · 8 g, air-popped, no butter
13%protein
1 gProtein
6 gCarbs
0.4 gFat
How to burn off 31 kcal
—Walking, brisk
—Jogging
—Cycling, moderate
—Swimming
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Nutrition facts
Air-popped, no butter · 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

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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 →

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Calories per 100 g
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Air-popped popcorn FAQs
How many calories are in one cup of air-popped popcorn?

About 31 calories per cup (8 g). One ounce (28 g) has 108 calories.

Is air-popped popcorn good for weight loss?

A cup is 31 calories with 1.2 g of fiber. Per 100 g it has 387 calories and 14.5 g of fiber.

Air-popped vs microwave popcorn: which has fewer calories?

Air-popped popcorn has 387 calories per 100 g versus 583 for regular microwave popcorn. Per cup that is 31 versus 64 calories.

How many carbs are in air-popped popcorn?

A cup has 6.2 g of carbs, including 1.2 g of fiber. Per 100 g it has 77.8 g of carbs.