This is a simple Pizza size calculator using which you can find out the exact area of your pizza. W 9 inch pizza is bigger or two 5 inch pizzas? Find out now! Large Pizza. A large pizza has 16 inches and could have 10 slices, but its not uncommon to get 8 large slices. This is a good size for up to 5 people with average appetite. Extra Large Pizza. An extra large pizza has 18 inches and can have 12 slices, but again its not uncommon to get 10 large slices. 16 inch pizza. The size of a 16-inch pizza can vary from restaurant to restaurant but generally speaking it has a diameter of about 14 inches and an approximate area of 153 square inches. This pie typically weighs between 20 - 30 ounces (567 - 850 grams). In terms of circumference, the typical size for a 16 inch pizza is approximately 44 Zazwyczaj wielkość pizzy określa jej średnica. Z tego powodu czasami dość trudno jest obliczyć, która pizza jest tańsza. Za pomocą tego kalkulatora użytkownik może wprowadzić rozmiary i ceny dwóch pizz i obliczyć ich łączną powierzchnię wraz z rzeczywistą ceną. Here are the average sizes of pizza from a standard pizza restaurant, ranging from a small pie to an extra-large pizza, including the number of slices that come in each size. Small Pizza: 8-10 inch pizza with 6 slices. Medium Pizza: 12-14 inch pizza with 8 slices. Large Pizza: 14-16 inch pizza with 8 slices. Pizzas are sized by their diameter; therefore, a pizza with a 10-inch diameter is considered Personal, a 12-inch diameter is considered Small, a 14-inch diameter is considered Medium, a 16-inch diameter is considered Large, and finally, an 18-inch pizza is considered Extra-Large. A personal pizza has 9.6 square inches of pizza per slice, a small pizza has 13.1 square inches of pizza per slice, a medium pizza has 14.1 square inches of pizza per slice, a large pizza has 15.4 square inches of pizza per slice, and an extra large has 16.6 square inches of pizza per slice. Suppose a medium pizza is 12 inches and a large is 16 inches. In that case, Omni's pizza comparison calculator states that the areas for three medium and two large pizzas are 339.29 in² and 402.12 in², respectively. This means you get more with two large pizzas. loFJ6F.