When you order a pizza, it's hard to resist wolfing down the whole thing. But a 4-ounce slice may contain more calories than you realize. So know the score when you choose your pizza topping. From Margherita to Pepperoni, here's what they deliver.

Four Cheese Pizza heads the calorie count at 281 a 4-ounce slice;

Deep-pan Pepperoni weighs in at 246;

Deep-pan Margherita brings you 233;

Hawaiian-style pizza is 215 and that scattering of pineapple doesn't count as one of your five-a-day fruits;

Thin-crust Margherita is your best bet, at 214 calories.