Question: how many calories in a large tub of popcorn?
Answer: A large tub of popcorn at Regal Cinemas, for example, holds 20 cups of popcorn and has 1,200 calories, 980 milligrams of sodium and 60 grams of saturated fat. Adding just a tablespoon of butter adds 130 calories. And do not forget that it comes with free refills.