How Many Adults Does an 18 Inch Pizza Feed

Are you wondering "how many pizzas should I order?" You must have invited your guests at a pizza party, and at this point neither you want to run short of slices nor you want to waste money by ordering more than needed.

We've experienced the dilemma of ordering pizzas and not knowing how much to order. Pizzas come in a lot of different sizes, and it's challenging to determine the size of pizza you should order. In such a case, you must need a complete guide to understand what factors you should consider while ordering pizza.

Don't worry, we'll help you at this point. In this detailed article, we've shared a complete formula for calculating the number of pizzas you'll need to satiate your guest. Not only this, we'll also discuss the tips to order pizza for a large gathering. Let's read our detailed guide.

Contents

1 How Many Pizzas Should you Order: Formula to Calculate
2 How Many Pizzas Should You Order Depending on Pizza Sizes?
3 Factors You Should Consider While Ordering Pizza
- 3.1 The Appetite of the Guests
- 3.2 Preferences of the Guests
- 3.3 Number of Children vs. Adults
- 3.4 Diet Considerations
- 3.5 Allergies
- 3.6 Consider the Occasion
- 3.7 Number of Slices per Pizza
4 Tips for Ordering Pizza
- 4.1 Get pizzas delivered fresh and warm.
- 4.2 Get pizzas sliced according to the formula.
5 Pizza Toppings Ordering Tips
- 5.1 Cheese pizza can be more preferable.
- 5.2 Order specialty pizzas if you know your guest's preferences
- 5.3 Order thick crust pizzas if you want to save money.
6 FAQs
- 6.1 What is a slice of pizza?
- 6.2 Ordering how much pizza is better: two medium pizzas or one large pizza?
- 6.3 How many slices does a pizza have?
- 6.4 What size does a 10-inch pizza come under?
- 6.5 How many people does a large Domino's pizza serve?
- 6.6 What is the size of a 16-inch pizza?
- 6.7 Which pizza size provides the best bang for your buck?
- 6.8 How does the type of pizza affect the quantity required?
- 6.9 How many slices are in a large pizza from the Popular Pizza Restaurant Chains?
- 6.10 How many slices does an extra-large pizza have?
7 Conclusion

How Many Pizzas Should you Order: Formula to Calculate

Assuming that most adults would suffice on 3 slices of pizza. Here is a general formula to use a pizza calculator to get a rough estimate on:

Medium pizzas with 8 slices to order would be p = 3a/8

Large pizzas of 14 inches with 10 slices to order would be p = 3.5a/10

Extra Large pizzas of 18-20 inches with 12 slices to order would be p = 4a/12

This means that the number of pizzas "p" you should order equals 3 times the number of guests, divided by 8.

This formula is based on the general assumption that all of your guests are adults who have an appetite for 3 slices of pizza and that each medium size pizza would have 8 slices.

For pizzas that have over 8 or less than 8 slices, replace 8 with the number of slices in that pizza.

Similarly, if the guests are all children, then replace 3 in the formula with 2 to figure out the total number of pizzas to order for the kids.

How Many Pizzas Should You Order Depending on Pizza Sizes?

Here's a quick breakdown of how many pizzas you'd need to order for adult guests. These values are based on ordering medium pizzas with 8 slices.

When you order large or extra-large pizzas, you can get a much better deal, especially if you have a coupon. Use the formula above to calculate how much you'd need to order for various pizza sizes.

Hence, the following table shows how many pizzas you should order according to pizza size.

Number of Individuals	Medium size pizza of 8-10 inches with 8 slices:	Large size pizza of 14 inches with 10 slices:	Extra Large pizza of 18-20 inches with 12 slices:
5	2	2	2
10	4	4	3
12	5	4	4
15	6	5	5
17	7	6	6
20	8	7	7
25	10	9	8
30	12	11	10
35	14	13	11
40	15	14	13
45	17	16	15
50	19	18	16

Factors You Should Consider While Ordering Pizza

It's challenging to order pizza for a large group. If you're anything like us, you've probably scratched your head over how many pizza pies you should order on multiple occasions.

Before you get into the specifics, consider‌:

How many people will you serve?
How many kids and adults are going to eat pizza?
Will pizza be the only food served, or will other options be presented as well?
Do you want to send the guests home with a few slices of pizza, or do you want to have enough for leftovers?

A principle to follow is to allow 3 slices of traditional crust pizza per adult and 2 per child.

Of course, if everyone is starving, consider increasing the number of slices by one or two.

Because most large pizzas have eight to ten slices per pie, order one for every four to five children and one for every three adults.

Below we've discussed a few factors.

The Appetite of the Guests

If a relative can eat half a medium pizza and still be hungry, you know that a single pizza won't suffice for your pizza night. While estimating how many slices people will eat can be difficult, you also don't want to underestimate anyone's appetite.

When estimating how many pizzas to order, three slices per adult and two slices per child is a good starting point. However, add one or two extra slices per person if you know you'll have guests with large pizza appetites. If the pizzas you're ordering are smaller or have a thin crust, allow for an extra slice per person.

Using a medium pizza size (eight slices) as an example, here's a way to calculate how many pizzas you'll need:

Multiply the number of guests by three slices per adult or two slices per child.
Divide this figure by the number of slices you can expect from the pizza size you want.

Using this formula, if you're serving five adults who will eat three slices of pizza, you'll need two medium pizzas.

Preferences of the Guests

Pizza toppings are a popular topic for both large and small groups. Whether you prefer specialty pizza, pepperoni, veggie, Italian sausage, supreme, green peppers, white pie, Hawaiian, red onion, black olives, anchovies, BBQ chicken, or plain cheese, keep the group's preferences in mind so you can order enough of everything.

Number of Children vs. Adults

It's essential to know how many guests you're ordering pizza for, but it's even more important to know who they are. How many of them are adults? How many of them are kids? This is important to know because children play an essential role in pizza ordering because they eat less than the average adult.

Diet Considerations

it's also important to consider if anyone in the group has dietary restrictions. Whenever ordering pizzas, elders with medical restrictions and diet-conscious people who look after their health should be considered.

People who religiously go to the gym often try to abstain from pizzas as much as possible. Similarly, girls trying to slim down also choose pizzas that serve fewer calories and eat fewer slices of people than an average person.

Allergies

Pizzerias do an excellent job of accommodating allergies, offering gluten-free pizza, cauliflower crust, and vegan and vegetarian options.

People who are allergic to specific ingredients can easily get to enjoy a pizza of their choice.

Some pizza places offer special items on menus for the most common allergies so the customer would not have to go through all the trouble of making specific demands every time.

Consider the Occasion

It's critical to consider the time of day and the meal itself. For instance, one large pizza should suffice for a pizza-only lunch for two to four people.

However, if you're planning a Sunday sports day feast with chips, dips, wings, and other fast foods for eight people, ‌consider ordering 2, 3, or 4 pizzas to round out your spread, especially if the event is going to last a long time.

However, if you're planning a Sunday sports day feast with chips, dips, wings, and other fast foods for eight people, ‌consider ordering two, three, or four pizzas to round out your spread, especially if the event is going to last a long time.

Pizza and children's parties go hand in hand. For this type of gathering, medium pizzas are ideal.

When placing your order, request that your medium pizzas be cut into ten slices rather than the standard eight slices per pizza. While you're primarily serving children, parents may want a slice or two as they pick up and drop off their children.

Number of Slices per Pizza

Knowing how many pizza slices are in a standard pie is useful information to have when deciding whether to order multiple pizza sizes.

The number of slices served by each pizza is determined by the size of the pizza you order:

Small pizzas are 8 to 10 inches in diameter and usually have six slices.
Medium pizzas are about 12 inches in diameter and usually have eight slices per pizza.
The diameter of a large pizza is around 14 inches, and it usually serves about 10 slices.
The diameter of an extra-large pizza in most restaurants is around 16 to 18 inches, and it usually serves at least 12 slices.

Call ahead of time to ask how many slices you should expect per pizza.

Tips for Ordering Pizza

Keeping the above mentioned factors, we've shared a few tips that can help you order the right number of pizzas.

Get pizzas delivered fresh and warm.

The best way to order pizzas is to work with your pizza provider and to have them deliver the pizza right before the guests eat. This way, you'll make sure that the pizzas are delivered fresh and warm.

You can also request your pizza provider to deliver the Pizzas in insulated bags. This way, they'll stay warm for a longer time. If you're picking up the pizzas yourself, then you should bring several thick blankets to cover the pizzas during the drive.

Get pizzas sliced according to the formula.

Also, inquire about the number of slices in a pizza before ordering because some pizza places cut their medium pizzas into over 8 pieces.

Inquire about the number of slices per pizza before placing the order. Some pizzerias cut a large size pizza into 8 slices instead of the usual 10. You can always request your pizza provider to cut them into two additional slices to keep the proportions reasonable.

In case you're ordering over 10 pizzas, it's better to contact the pizza place at least 24 hours before the actual event to make sure everything is ready on time. It's also important so the pizza providers know ahead of time so they can prepare accordingly.

Order the largest size:

Although the extra-large is unquestionably more expensive than the medium, larger pizza sizes frequently cost less per slice than small pizzas, so the overall order will almost certainly be less expensive.

Look for deals

Pizza places frequently offer deals, discounts, and coupons, so it's worth shopping around for the best deal, especially if you're placing a large order.

Pick up instead of delivery

Most pizza shops charge a delivery fee, and it's polite to leave a large tip for a large order. Delivery also takes longer because the driver may have other stops before yours and will not deliver just your order straight from the kitchen.

Pizza Toppings Ordering Tips

While ordering pizza, you can opt for specific toppings to make your pizza party far more memorable for your guests.

Cheese pizza can be more preferable.

It's always better to order cheese pizza as toppings if you don't know the favorite toppings of your guests. This is because cheese pizza is the most popular topping worldwide and people prefer cheese pizza if their favorite topping isn't available. It's why whenever you're in doubt about the type of toppings to choose, it's wise to order at least half of the pizzas as cheese pizza.

The reason is, 62 percent of consumers prefer meat pizza toppings, with pepperoni accounting for 38 percent and sausage accounting for 14 percent of the most preferred meat toppings. While for vegetable toppings, mushrooms account for 11 percent of preferred vegetable toppings.

If the pizzas are to stay out for a longer time, ordering extra cheese will keep them warm for longer.

Order specialty pizzas if you know your guest's preferences

Only order specialty pizza if you know your guest preferences. If you don't have any idea about the likings of your guest, it's better to stay away from a variety or combination of toppings, because if the guest are picky eaters, there will be a lot of leftovers.

Order thick crust pizzas if you want to save money.

You should also consider the type of pizza you're ordering. If you're ordering pizzas with thicker crust, then you should order fewer pizzas because they fill up people faster, unlike thin crust pizza.

FAQs

What is a slice of pizza?

A slice is the best way a pizza is cut and eaten. it's a thin piece of dough covered in various toppings. Most people can eat three to four slices of pizza, but many people only have an appetite to eat one to two slices.

Ordering how much pizza is better: two medium pizzas or one large pizza?

Calculations show that ordering one large pizza is preferable to ordering two medium pizzas. A single 18-inch pizza is larger than two 12-inch pizzas combined.

How many slices does a pizza have?

A standard round medium pizza has eight slices, which allows for a reasonable two slices per person in a group of four. However, sometimes a pizza pie only has six slices.

What size does a 10-inch pizza come under?

A 10-inch pizza has an area of 78 square inches and serves 1 to 3 people. Typically, customers have a choice of four pizza sizes. A small or personal pizza is approximately 8 to 10 inches in diameter and contains approximately six slices, whereas a 12-inch pizza (medium-sized) contains approximately eight pieces.

How many people does a large Domino's pizza serve?

Domino's large pizzas are ideal for feeding a large group. These 14-inch pizzas serve three to five people craving some quality pizzas.

What is the size of a 16-inch pizza?

16-inches is considered an extra-large size. A 16-inch pizza has a total area of 200.96 square inches. According to the mathematical formula, this pizza appears to be 2.6 times larger than a standard pizza, or about 10 inches.

Which pizza size provides the best bang for your buck?

If you use a coupon and request that it be sliced into 16 slices rather than 14, an extra-large 18-inch pizza will give you the best value over other sizes.

Therefore, when serving many people, it's important to remember ordering a large and extra-large pizza would be the most economical option for you. Also, almost every pizza place provides deals and discounts, which sweeten the deal even further.

How does the type of pizza affect the quantity required?

The type of pizza you order is an important consideration that is frequently overlooked. Different pizzas can fill you up faster than others, so you and your guests will eat fewer slices. Pizzas with a lot of toppings or thicker crusts may leave your guests full after just a couple of slices.

When ordering fewer filling pizza types, such as thin crust, ‌order more pizzas to account for the increased consumption. If you order denser pizzas, such as deep-dish, order a little less than usual.

How many slices are in a large pizza from the Popular Pizza Restaurant Chains?

The large pizzas at Papa John have a diameter of 20 inches. They usually divided their pizzas into 12 to 14 whole slices.

Whereas the large pizzas of Domino's and Pizza Hut come in around 14 to 16 inches in diameter. Both restaurants serve the same number of slices in their large pizza, which varies from around 10 to 12 slices per pizza.

it's important to note that Domino's provides you with the opportunity to customize your own pizza with a variety of toppings, based on which the number of slices you receive may differ.

Extra-large pizzas usually have between 9 and 18 whole slices, depending on the brand. Extra-large pizzas at Domino's, Papa John's, or Pizza Hut have around 12-14 slices.

However, some restaurants have extra-large pizzas with 18 slices. This is especially true if you visit a pizza restaurant where they specialize in cooking extra-large pizza.

Conclusion

Finally, if you still have confusion about ordering that extra pizza, even after using our pizza calculating formula and table, just order it. Next time, we'll show you how to reheat pizza for the next day, so it tastes just like it did the day before.

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