Normally, the standard large pizza typically measures between 14 to 16 inches in diameter. However, the number of slices you can expect from a large pizza often depends on where you purchase it from. If you want to cook it yourself, you won't face this problem. 

On average, a large pizza from Pizzaria comes with:

      8 slices per pizza

But some places might serve a large pizza with more slices:

      10 slices per pizza

      12 slices per pizza

Different Pizza Size

Hand holding a slice of pizza with ham, cheese, and herbs.

When you're making or ordering pizza, knowing the different pizza sizes and how many slices they typically contain helps you pick the right amount for your family and guests.

The most common ones you'll come across are personal, small, medium, large, and extra-large pizzas.

      Personal Pizza: Usually around 6-8 inches in diameter, ideal for a single person.

      Small Pizza: Often around 10 inches in diameter, good for 1-2 people.

      Medium Pizza: Typically 12 inches, suitable for 2-3 people.

      Large Pizza: Usually 14-16 inches, can serve 3-5 people.

      Extra-Large Pizza: Generally 16-18 inches, meant for more than 5 people.

Average Slices in Pizza Sizes

Each pizza size typically has a standard number of slices, but this can vary by the pizzeria.

      Personal Pizza: 4-6 slices

      Small Pizza: Generally comes with 6 slices

      Medium Pizza: You'll usually get 8 slices

      Large Pizza: Expect 8-10 slices

      Extra-Large Pizza: Can offer 10-12 slice

Differences in Slice Size

Here, you'll see how slice dimensions might differ:

      Standard Slice Size: Each slice is roughly 3 to 4 inches wide at the crust.

      Slice Length: From the crust to the point can be about 6 to 8 inches.

Now, if the pizza is cut into more slices, each slice will naturally be smaller. For instance, if you have a large 16 square slice, each piece will be noticeably smaller compared to the traditional triangular slices.

Keep in mind that while pizzas are usually round, except the Detroit pizza, which is square. The size of each slice might not be uniform, because handmade pizzas and crusts might vary slightly.

If you're concerned about serving size or feeding a certain number of people, it's best to ask about slice size when you order.

Standard Cut vs. Square Cut

      Normally, a large pizza comes in 8 to 10 or 12 slices.

      Ideal if you love a classic triangle slice.

      Better for large, foldable slices.

Square Cut:

      Also known as a "party cut".

      You might get more slices, often 16 or more small squares from a large pizza.

      Makes sharing easier, especially if you're eating at different times of the day.

A large pizza with a standard cut is great if you want a few big slices, while a square cut is perfect when you're serving many people.

Pizza Styles and Crust Types

Square-cut pizza loaded with pepperoni, mushrooms, thick tomato sauce, and cheese.

Your choice of pizza crust not only changes the texture and taste but also affects how many slices you can expect from a large pizza. Now let's talk about how different crusts might alter the slice count and how to choose between a thin or thick crust.

Impact of Crust on Slice Count

A thick-crust pizza, such as a hand-tossed or deep-dish style, typically offers fewer, but larger and more filling slices. On average, a large 14-16 inch pizza will yield about 8 slices with this type of crust.

In contrast, a thin crust pizza often comes with more slices. Due to the crust's slim profile, it's easier to cut the pizza into more pieces. A large thin-crust pizza can be sliced into 16 square slices.

Optimizing Pizza Orders

Ordering the right amount of pizza for a group can be a bit tricky. You want to make sure everyone gets enough to eat and that you accommodate different tastes and dietary needs.

Calculating Quantity for Groups

When you're hosting a pizza party, the goal is to have just enough for everyone without wasting food. A good rule of thumb is that adults will typically eat about 3 slices of pizza each. To figure out how many pizzas you'll need, you can use this simple calculation:

For every 3 adult guests, order 1 large pizza with 8 slices.

If you're expecting a larger group, here's a quick table to help you:

Number of Adults

Large Pizzas Needed

5

1

10

4

15

6

20

8

25

10

Customizing Orders Based on Preferences

Six hands grabbing pepperoni pizza slices from a wooden table.

It's important to consider your guests' preferences and dietary restrictions. If you know you have friends who are vegetarian or gluten intolerant, you can plan accordingly.

Offer a balance with the following:

      Classic Toppings: pepperoni, sausage, mushrooms, and peppers.

      Vegetarian Options: all veggie toppings.

      Specialty Pizzas: Includes unique combinations of premium ingredients.

      Gluten-Free: For those with gluten sensitivities.

Here's an example of how you might divide the order for 20 people:

Pizza Type

Quantity

Classic Toppings

4

Vegetarian Options

2

Specialty Pizzas

1

Gluten-Free

1

Appetite Considerations for Pizzas to Order

When ordering, think about the number of people eating and their appetite.

      Appetite: A single large pizza is often enough for up to 5 adults with a normal appetite. If the guests are very hungry, an extra-large pizza might be a better choice.

      Occasion: For kids' parties or gatherings where there's other food, smaller or medium pizzas might be more suitable.

      Leftovers: If you love having extra for later, ordering a larger pizza size than needed can be a good idea.