Using this food reference
The popcorn record is air-popped and unsalted. The cup portion has a small recorded gram weight because popped corn occupies much more space than unpopped kernels.
A large bowl is not the same quantity as a cup or an ounce. Added butter, oil, sugar or coatings need separate accounting rather than being included in this plain popcorn reference.
Match the food before using the numbers
The selected USDA description is Snacks, popcorn, air-popped (Unsalted). Preparation, water loss, added oil, salt, edible skin, product formulation, and measured portion can change the nutrition of the food you actually eat.
Source record
- Source: USDA FoodData Central record 170246
- Data type: SR Legacy
- Source publication date: 2019-04-01
- PlateRover retrieval date: 2026-10-22