The number of slices in a pizza depends on its diameter and how it's cut, typically ranging from 8 to 16 slices per pizza. An average 8-inch pizza is typically divided into 4 slices, making it perfect for a personal serving. A 10-inch pizza often comes with 6 slices, suitable for a light meal or a small gathering. A 12-inch pizza typically yields 8 slices, making it ideal for a couple or a small group. A 14-inch pizza usually has 10 slices, making it suitable for a larger group or a hungry family. Lastly, a 16-inch pizza, being the largest of the bunch, typically boasts 12 slices, making it perfect for a party or a sizable gathering of pizza enthusiasts. Keep in mind that the exact number of slices may vary slightly depending on the pizzeria or how you choose to cut the pizza.