How much carbohydrate is in 1 cup of unsalted air-popped popcorn?

6.2 grams of carbohydrate in 1 cup

Carbohydrate in other portions of unsalted air-popped popcorn
Portion	Carbohydrate
1 ounce	22 grams of carbohydrate in 1 ounce
100 g	78 grams of carbohydrate in 100 g

See everything in a serving of Popcorn, air-popped, unsalted

Where these numbers come from

USDA FoodData Central, SR Legacy, record 170246. The source describes it as: Snacks, popcorn, air-popped (Unsalted).

U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center. FoodData Central. [Internet]. [cited 11 October 2026]. Available from https://fdc.nal.usda.gov/. Releases used: Foundation Foods, April 2026; SR Legacy, April 2018; Survey Foods (FNDDS 2021-2023), October 2024.

Data built on 11 October 2026 (data-2026-10-11).

Report an error in a number