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.
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.





