Recently we held my son’s 16th date of birth party. To make my life easy and serve a bunch of people we determined on ordering pizza.

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Once again, we did no order enough pizza pies because that the event! ns promised that this would certainly be the critical time we ran the end of pizza or were left v 10 pies also many.

I chose my first quest would certainly be to look for the truth for a baffling concern that influence so many people, namely: How plenty of pizzas to buy because that a pizza party?

According to nationwide surveys, the average American consumes 27 pounds the pizza a year….serving pizza is constantly a well-known food choice. If you room planning for a party or trying to feeding a large group, how plenty of pizzas have to you buy because that 10, 20, 30 people, or more?


I will show you how to calculate how plenty of pizzas to order so that your guests room satisfied and also happy.

This is our official pizza part calculation!

Number of guests multiplied by 3 ( avg. Slices a human being eats) then division that by 8 (avg slices on a big pizza) = how plenty of pizzas you need to order.

Example: 20 guest X 3 slices every = 60 slices the pizza.

Divide 60 slices into 18 and you gain 7.5, so you must order 8 pizzas.

Let’s dive right into the pizza math:

First, you require to understand how plenty of slices your pizza pie will certainly be cut into

Slices have the right to vary between pizzerias and also restaurants therefore it’s always wise to call the establishment. A general guideline: 6 slices per small (8-10”) pizza, 8 slices every 12 inch pizza (medium), and also a huge (which can selection from 14” to 18”) might have 8, 10, or even 12 slices.

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After you’ve dubbed your pizzeria and know how countless slices they reduced their pies into, then you can obtain an estimate of just how many human being they will certainly serve.

A little 10” pizza is normally reduced into 6 slices and also serves 2-3 peopleA tool 12 customs pizza is normally cut into 8 slices and serves 3-4 peopleA large 14” pizza reduced into 8 slices and serves 3-5 peopleA huge 16” pizza reduced into 8 or 10 slices and also serves 5-6 peopleAn 18” pizza is normally cut into 10 or 12 slices and serves 6-7 people

Tip: If her pizzas space the usual 8 slices, that provides each slice one eighth of a pizza. Typically a hungry person can eat 3 slices, so below is a an easy equation:

X*⅜ = P 

where X is the variety of guests and also P is the number you must order

It is vital to keep in mind that no two pizzas space alike. If you space opting for thin crust pizza, round P as much as the nearest pie. For deep-dish, round down. Over there are other variables in play, favor the diameter the the pie and the variety of toppings and also the crowd. Does her crowd save on computer children, elderly, or those at sight hungry from sports or other activities?