How Many Carbs Are in Popcorn?

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One cup of air-popped popcorn without any toppings contains around 6.23 grams of carbohydrates. Those carbs account for approximately 25 of the 31 calories in the entire 1-cup serving.

Without fat-heavy toppings like butter or caramel, a small serving of popcorn is a good low-calorie snack. For most individuals, popcorn is a better snack option than potato chips, cookies or candy. It contains all three types of carbohydrates, with the bulk of the carbs made up of starches. Because of the heavy starch makeup of popcorn, it is not an optimal snack option for those on low carb diets or individuals with certain health concerns according to the Popcorn Board.