Are you looking for a piece of pizza that’s just the right size to feed everyone at your next party? An 18-inch pizza can be the perfect solution! This size is large enough to feed up to 10 people, while providing delicious slices for all. But how big is an 18 inch pizza exactly? In this blog post, we’ll delve into the details so that you have all the information necessary when shopping around for your next meal. From measuring techniques and estimation tips, to ingredient calculations and beyond — we’ve got it all covered! So sit back, relax, and let us dole out some important knowledge on not only sizing but also baking a beautiful 18 inch pie.
Contents
- 1 An overview review of a 18 inch pizza
- 2 Why is 18 inch pizza size so important?
- 3 How big is an 18 inch pizza?
- 4 How big is an 18 inch square pizza?
- 5 Comparing 18 inch pizza size in different types and brands
- 6 The size of 18 inch pizza in different types
- 7 The size of 18 inch pizza brands
- 8 Factors affect 18 inch pizza size
- 9 Steps guide on calculating 18 inch pizza size
- 10 How many slices in an 18 inch pizza?
- 11 What you expect to feed with an 18 inch pizza?
- 12 How many people can an 18 inch pizza feed?
- 13 How many 18 inch pizzas need you to order?
- 14 Ways to order the 18 inch pizzas
- 15 Ways to order the 18 inch pizzas
- 16 The benefits of ordering or making an 18 inch pizza
- 17 Tips for serving 18 inch pizza with dishes and toppings
- 18 Conclusion: How big is an 18 inch pizza
- 19 FAQ: 18 inch pizza size
- 20 How many cm is a 18 inch pizza?
- 21 How big is an 18 inch Pizza Hut pizza?
- 22 How much bigger is an 18 inch pizza than a 14 inch?
- 23 How big is an 18 inch Papa John’s pizza?
- 24 Is an 18 inch pizza bigger than two 12-inch pizzas?
- 25 How big is an 18 inch cheese pizza?
- 26 Why is 18 inch pizza bigger than 12-inch pizza?
An overview review of a 18 inch pizza
The 18 inch pizza is a whopping 18 inches in diameter! Whether you prefer traditional toppings like pepperoni and cheese or prefer to indulge in more adventurous flavor combinations, one thing is certain – this pizza will not disappoint in size.
Why is 18 inch pizza size so important?
One of the main reasons an 18 inch pizza size is so important is because it offers enough slices to feed a larger group of people. This makes it perfect for parties, game nights, or any other gathering where food needs to be shared. It also allows for variety in toppings, accommodating different taste preferences.
Moreover, 18 inch pizzas are great value for money as they generally cost less per square inch compared to smaller sizes. This means you get more pizza for your buck, making it a practical choice for those on a budget or looking to satisfy a large group of hungry individuals.
How big is an 18 inch pizza?
• An 18-inch pizza has a surface area of 254 square inches and serves 4-6 people.
• It takes 10 ounces, or 2/3rds of a pound, of raw dough to make an 18-inch pizza.
• 18-inch pizzas are more popular than larger counterparts because they provide customers with just enough food without leftovers.
How big is an 18 inch square pizza?
An 18-inch pizza has a surface area of 254 square inches, while two 10-inch pizzas give roughly 158 square inches in total. The 18-inch pizza gives an additional 96 square inches compared to the two 10-inch pizzas.
Comparing 18 inch pizza size in different types and brands
Here are some comparisons to help you understand how big is an 18 inch pizza by types and brands:

The size of 18 inch pizza in different types
– Thin crust pizza: A thin-crust 18 inch pizza would weigh approximately 17.6 ounces and have a surface area of about 220 square inches.
– Hand tossed pizza: This type of 18 inch pizza will, on average, weigh around 23 ounces and have a surface area of roughly 254 square inches.
– Deep dish pizza: If you’re looking to indulge in a deep dish pizza, an 18 inch one would weigh approximately 36 ounces and have a surface area of about 450 square inches.
– Stuffed pizza: A stuffed 18 inch pizza will typically weigh around 41 ounces and have a surface area of roughly 489 square inches.
The size of 18 inch pizza brands
– Domino’s pizza: A Domino’s 18 inch pizza can weigh up to 28.3 ounces and have a surface area of about 304 square inches.
– Papa John’s Pizza: An 18 inch pie from Papa John’s will, on average, weigh around 27 ounces and have a total surface area of approximately 294 square inches.
– Pizza Hut: An 18 inch pizza from Pizza Hut typically weighs 28 ounces and have a surface area of around 310 square inches.
Factors affect 18 inch pizza size
Though the industry standard of pizza size is an 18-inch diameter, there are a few factors that can affect how big is an 18 inch pizza from restaurant to restaurant.
• The circumference of an 18-inch pizza determines its size.
• Different styles of crust (e.g. thin, hand-tossed, thick pan) affect the overall height of the pizza.
• Toppings can make a pizza appear larger or smaller.
• Slicing an 18-inch pizza into smaller or larger slices can affect perceived size and how many people it can serve.
Steps guide on calculating 18 inch pizza size
When shopping around for your next 18-inch pizza, it’s important to take into account the size of the pizza for both aesthetic and practical reasons. Thankfully, there are some simple steps you can follow to accurately calculate how big an 18 inch pizza will be:

1. Measure the diameter of the pizza’s base with a ruler or tape measure.
2. Divide the diameter in half to get the pizza’s radius. For an 18 inch pizza, this should measure 9 inches.
3. Multiply the radius (9 inches) by π/4 to calculate the pizza’s surface area in square inches. An 18-inch pizza will have a surface area of around 254 square inches.
4. Lastly, divide the surface area by the number of slices to calculate the size of each slice in square inches. An 18-inch pizza cut into 10 slices will have a slice size of around 32 square inches.
How many slices in an 18 inch pizza?
• For extra-large pizzas (16-18 inches in diameter), 12 slices can be expected.
• To confirm the number of slices per size, it is recommended to call the pizza place before ordering.
What you expect to feed with an 18 inch pizza?
An 18 inch pizza can feed up to 10 people depending on the type of crust and ingredients used. For thin-crust pizzas, you can expect each person to get around 3 slices while for deep dish pies, it’s best to factor in 2 slices per person. As such, an 18 inch pizza is perfect for family dinners or larger parties.
How many people can an 18 inch pizza feed?
• An 18-inch pizza can serve 8-12 people.
• The number of people served is dependent on the size of the slices and the hunger level of the diners.
How many 18 inch pizzas need you to order?
• Order a minimum of one 18″ large pizza to feed eight people.
• Suggested to order at least two 18″ large pizzas for eight people.
Ways to order the 18 inch pizzas
Ways to order the 18 inch pizzas
There are many ways to order an 18 inch pizza, and it ultimately depends on personal preference and convenience. Here are some common ways to order this deliciously large pizza:
- Online Ordering: Many pizzerias now offer the option to order online through their website or mobile app. This is a convenient way to place an order as you can customize your pizza, choose your toppings and pay all in one place. Some pizzerias even offer special discounts or promotions for online orders.
- Phone Call: The traditional method of ordering pizza is by calling the pizzeria directly. This can be a quick and easy way to place an order, especially if you have ordered from that pizzeria before and know exactly what you want.
- In-person: If you’re in the area, you can always walk into the pizzeria and place your order in person. This allows you to see all the options available and ask any questions to the staff before making your decision.
- Mobile Apps: Some pizzerias have their own mobile apps where you can place an order for pickup or delivery. These apps may offer additional features such as tracking your order or saving your favorite orders for easy reordering.
- Third-party Delivery Apps: There are also third-party delivery apps like Grubhub, Uber Eats, and DoorDash that partner with various pizzerias. These apps make it convenient to browse and order from multiple pizzerias in one place, and they usually offer delivery services as well.
The benefits of ordering or making an 18 inch pizza
• An 18″ pizza provides more pizza than two 9″ pies.
• More surface area means more evenly distributed flavor and ingredients.
• Thinner slices make for less filling slices.

Tips for serving 18 inch pizza with dishes and toppings
When serving an 18 inch pizza, make sure to include a variety of sides and toppings. Here are some tips that can help you do just that:
– Choose a variety of toppings to include on the pizza. This will ensure that everyone has something they like and make for an interesting flavor combination.
– Serve the pizza with sides such as salads, garlic bread, or even fries. This will give people more options when it comes to their meal.
– If you’re serving the pizza at a party, cut it into smaller slices so that everybody can try different flavors.
Finally, enjoy your delicious 18 inch pizza! With its generous size and flavor possibilities, you can rest assured knowing that everyone will be happy and full.
Conclusion: How big is an 18 inch pizza
Now that you know how big is an 18 inch pizza and have all the information when it comes to ordering or making one, you can confidently pick the perfect pie for your next event! Whether you prefer thin-crust pizzas with classic toppings or deep dish pies filled with delicious ingredients — this size has something for everyone. With 18 inches of deliciousness, you’ll be able to feed and satisfy a large group with no problem.
See also: roccbox vs ooni
FAQ: 18 inch pizza size
How many cm is a 18 inch pizza?
Diameter [in] | Area [in2] | Diameter [cm] | Area [cm2] | Times bigger than 10in |
10 | 79 | 25.4 | 507 | 1 |
12 | 113 | 30.5 | 730 | 1.4 |
14 | 154 | 35.6 | 993 | 2.0 |
16 | 201 | 40.6 | 1297 | 2.6 |
18 | 254 | 45.7 | 1642 | 3.2 |
20 | 314 | 50.8 | 2027 | 4.0 |
22 | 380 | 55.9 | 2452 | 4.8 |
24 | 452 | 61 | 2919 | 5.8 |
How big is an 18 inch Pizza Hut pizza?
An 18 inch pizza is considered an extra large size and is typically measured in diameter. It can feed a family of 4 people. Pizza Hut offers this size of pizza.
How much bigger is an 18 inch pizza than a 14 inch?
An 18” pizza is 1.28 times larger in diameter than a 14” pizza. This makes a 18” pizza’s surface 1.65 times the size of a 14” pizza. Together, 2 18” pizzas are equal to 3.30 14” pizzas.
How big is an 18 inch Papa John’s pizza?
An extra-large Papa John’s pizza has a diameter of 16-18 inches (41-46 cm). It typically contains 12-16 slices. It serves 6-8 people depending on appetite and portion sizes.
Is an 18 inch pizza bigger than two 12-inch pizzas?
Splitting an 18-inch pizza offers more “pizza” than splitting two 12-inch pizzas. According to Fermat’s Library, the 18-inch has 254 square inches compared to 226 square inches.
How big is an 18 inch cheese pizza?
An 18-inch pizza has an average surface area of 254 square inches and typically serves 4-6 people, depending on toppings desired. It takes about 10 ounces of dough to make an 18-inch pizza from scratch. 18-inch pizzas are popular because they provide just enough food without forcing customers into leftovers.
Why is 18 inch pizza bigger than 12-inch pizza?
The area of an 18-inch pizza is 254 square inches, compared to a combined area of 226 square inches for two 12-inch pizzas. Opting for a large pizza ensures you have more surface area than two mediums. The radius of an 18-incher is 9, with 9 squared multiplied by pi (3.1615) being 254 in square inches. Additionally, 18 is greater than the sum of two 12s.

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