Bag labels are measured on unpopped kernels, which still hold moisture, so they read 300 to 368 calories per 100 g against 387 for the dry air-popped corn above.
Source: manufacturer labels / USDA FoodData Central.
How many calories are in popcorn kernels?
One ounce of kernels is 108 calories, and 100 g is 387 calories. Bag labels for raw kernels run from 300 to 368 calories per 100 g.
Are popcorn kernels good for weight loss?
A cup of air-popped popcorn from those kernels is 31 calories with 1.2 g of fiber, so an ounce of kernels spreads 108 calories over roughly four cups.
Popcorn kernels vs popped popcorn: which has more calories?
By weight they are the same, 387 calories per 100 g. A cup of popped corn weighs only 8 g, so it is 31 calories, while an ounce of kernels is 108.
How much protein and fiber is in popcorn kernels?
Per 100 g there are 12.9 g protein, 14.5 g fiber and 77.8 g carbs. An ounce gives 3.6 g protein and 4.1 g fiber.