How many calories are actually in a slice of Costco cheese pizza?

a slice of of pepperoni pizza is 700 calories and cheese and combo is 710. one slice from the food court is like two of take away pie.

It depends. Do you mean from a whole pie that you bring home, or a slice that you eat there? They are different sizes.

680 calories, 29 grams of fat

Are you kidding?

No idea, a bunch.