I was curious:

One slice of...
Domino's Classic crust cheese: 257 calories, 7.5 grams fat.
Papa John's cheese pizza (from 14" large pizza): 283 calories, 10 grams fat.
Pizza Hut pan pizza: 290 calories, 14 grams fat.
Pizza Hut Big New Yorker Italian sausage: 530 calories, 29 grams fat.