A bag of microwave popcorn contains about 120 calories if the butter in the popcorn is fat-free. If the popcorn contains full-fat butter, one bag is around 170 calories. More »

The amount of calories in a bag of light popcorn, or light butter popcorn, varies by brand, but is approximately 20 to 30 calories per cup of popped corn. A typical serving of popped corn is 4 cups, so the average servin... More »

There is an average of two servings in one bag of microwaveable popcorn. A serving size is an estimated 6 1/2 cups of popped kernels. More »

The amount of calories in popcorn depends on the type of popcorn, how it was popped and if it contains seasonings or butter. Three cups of air-popped popcorn contain around 92 calories. More »

www.reference.com Health Nutrition & Diets Calories in Food

Caramel adds about 30 calories per serving of popcorn. A single serving of caramel popcorn contains about 122 calories. One serving is equal to an ounce of popcorn. A single serving of plain, air-popped popcorn contains ... More »

www.reference.com Health Nutrition & Diets Calories in Food

The number of calories in movie theater popcorn varies based on the theater and the size of the popcorn. At Regal Entertainment Group, which is the most common movie theater chain found in the United States, a small popc... More »

There are 170 calories, 10 grams of fat and 260 milligrams of sodium in one 35 gram bag of nacho cheese Doritos. Each bag contains 20 grams of carbohydrates and 2 grams of protein. A bag of Doritos also contains calcium ... More »