Hot air-popped popcorn generally requires a commercial machine. It uses hot air to cook the popcorn instead of oil, which substantially reduces the fat content. Most of the calories in hot air-popped popcorn come from the starch in the corn kernels.
Calories
This nutritional information applies to a 1-cup serving of hot air-popped popcorn with no additional ingredients. A serving contains 31 calories, or about 1.5 percent of your daily value for calories, based on a diet of 2000 calories per day, according to FatSecret.
Carbohydrates, Protein and Fat
The calories in a serving of hot air-popped popcorn include 24 calories from carbohydrates, four calories from protein and three calories from fat. The carbohydrate content in hot air-popped popcorn is 6.22 g, which is 2 percent of the daily value for carbohydrates. Hot air-popped popcorn contains 1.04 g of protein per serving, or about 2 percent of the daily value for protein. The fat content in hot air-popped popcorn is 0.36 g per serving, which is about 1 percent of the daily value for fat.
Dietary Fiber
Hot air-popped popcorn contains 1.2 g of dietary fiber per serving, which is about five calories. This provides 5 percent of the daily value for dietary fiber.



Member Comments