How Big Is A 12 Inch Pizza: 12-inch Pizza Ultimate Guide

medium pizzas - twelve inch pizza

You’ve just decided to order a pizza, and you want to know how big 12 inches are so that you will not be left with lots of leftover pizza.

You could call the store, but they’ll probably read their script and then hang up or not know, and you’ll all end up frustrated.

So, if your question is “how big is a 12 inch pizza, came to the right place, my friend 🙂

This post will give you all the information you need about 12-inch pizzas, including how many calories they have, their diameter, the best way to make 12-inch pizza dough, and so on.

How Big Is A 12 Inch Pizza?

How Big Is A 12 Inch Pizza

A 12-inch pizza has a diameter of 12 inches and is usually considered the standard size for pizza. Its total surface area is 113.04 square inches, which makes it a medium-sized pizza and sufficient for two or three people (provided you have no more friends to invite over).

Pizza is basically a circle, so you can simply calculate the total area of your pizza with this formula:

The total area of pizza = 3,14 x r*r (r: the radius of your pizza)

The radius of your pizza will be half the length of the diagram.

For example, if you want to figure out how many square inches are on a 12-inch pizza, you would use this formula: 3,14 x 6*6 = 113,04 square inches

Site note: Pizza size

Pizza sizes can vary by region, but the most common sizes are as follows:

  • Small pizza: 8-10 inches (6 pizza slices)
  • Medium pizza: 12 inches (8 pizza slices)
  • Large pizza: 14 inches (10 pizza slices)
  • Extra large pizza: 16 inches (12 pizza slices)

How Many Slices Are There In A 12-inch Pizza?

medium pizza has eight slices in total

There are normally eight slices in a 12-inch pizza, but the number of slices varies depending on each pizza shop and region.

Sometimes, you can also find a 12-inch pizza with 6 slices or even with 10 slices, because each pizzeria has its own standard to determine how many slices they should cut.

How Many People Do a 12-inch Pizza Feed? 

The number of people that a 12-inch pizza can feed depends on the age of the group.

Most kids are likely to eat just one slice of pizza.

But if you are serving only adults, a 12-inch pizza is usually enough to feed 2 or 3 people, but it all depends on the size and thickness of your pizza.

If you order or make thin crust pizza, your guests can probably eat more of it. However, if you make a large pie with thick crusts, only one or two slices should be enough for each person.

How many grams of dough for a 12-inch pizza

If you love homemade pizza and want to make your own from scratch, you might wonder how many grams of dough is needed to make a 12-inch pizza.

You can use this formula to find out how many grams of dough you need for your pizza.

The formula is:

Pizza dough ball weight = (pizza diameter in cm +10,5)/0,16

But if you are a beginner and want to avoid going through the calculation, then the sweet spot is around 250 grams.

This is the amount that most people use to make their 12-inch homemade pizzas.

How many calories are in a 12-inch pizza? 

pepperoni pizza with tomato sauce calories

The number of calories in a 12-inch pizza depends on what you put on it.

For example, if you order one 12-inch traditional pepperoni pizza with mozzarella cheese and tomato sauce, which is a common choice, it will contain about 1,760 calories. A slice of pepperoni pizza has around 220 calories.

That said, there’s no exact answer to the question of how many calories are in a 12-inch pizza because it depends on what you’re ordering, but the average number of calories in one slice of pizza is at least 285 calories.

12 inch pizza dough recipe

This pizza dough recipe is for you if you love making 12-inch pizza from scratch.

With just a few simple ingredients and a little time, you can make the best homemade pizza ever!


  • 2½ cups warm water (110 degrees F)
  • 2 teaspoons active dry yeast
  • 6 tablespoons olive oil
  • 6 cups all-purpose flour
  • 2 teaspoons sugar
  • 2 tablespoon salt

These ingredients are for making 4 12-inch pizzas at once.

Step-by-step to make dough balls for 12-inch pizzas

In a mixing bowl, combine the flour, sugar, and yeast, then start mixing the ingredients.

Remember to combine yeast, water, and sugar before adding salt. The yeast will be killed off if you add salt directly to the other ingredients.

According to BakeLikeAPro, “millions of flour particles act as protein for the yeast, with flour mixed with water over time, salt is never in direct contact with much of the yeast at any given moment.”

Once you’ve mixed the ingredients well, add salt and mix it around for 30 seconds. Add water and mix for 1 minute more.

Finally, stir in olive oil and mix until the dough is smooth and elastic.

Transfer the dough to an oiled bowl, cover it with plastic wrap, and let it rise until it has doubled in size, between 1 and 2 hours (depending on room temperature).

After the dough has risen, make it into 4 balls of equal weight.

This recipe is written for those who own a stand mixer. If you do not have one, here is the full tutorial that shows you how to knead your pizza dough by hand.

What is the best value pizza size?

The larger the pizza you order, the better value for money it will be.

The price per square inch of a large pizza will be lower; this is especially important if you have a large family or are planning on sharing the pizza.

For example, an 18-inch pizza (254 square inches) has more square inches than two 12-inch pizzas (around 226 square inches) but usually costs less.

Final Thoughts

In the end, hopefully, this guide has helped you—if you’ve ever wondered how big a 12-inch pizza is. I shared plenty of data and information on these pizzas, and they should help you make the best choice possible.

Further readings on After making the dough, you can pop your 12-inch pizzas into Ooni Fyra 12 — a dedicated wood pellet pizza oven that is specially designed to bake homemade 12-inch pizzas in under 90 seconds.

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