- 148 calories in 1 oz or 28 g of microwave (butter) flavor popcorn made with palm oil
- 140-142 calories in 1 oz or 28g of oil-popped white popcorn
- 110 calories in 1 oz or 28g of air-popped popcorn
OR by the cup
- 31-33 calories in 1 cup (0.3 oz or 8g) of air popped white popcorn
- 55-58 calories in 1 cup (0.4 oz or 11g) of oil-popped popcorn
- 44 calories in 1 cup (0.3 oz or 8g) of oil-popped popcorn.
For the calories in a selection of other foods and snacks, please see the page links, further down this page, listed under Related Questions.