Smaller pizza
Diameter
in
Area
in²
# of pizzas
Total area
in²
Price
$
Total price
$
Larger pizza
Diameter
in
Area
in²
# of pizzas
Total area
in²
Price
$
Total price
$
Area of smaller pizzas
%
Price of smaller pizzas
%

Pizza Comparison (old version)

By Piotr Małek and Mateusz Mucha
Should you buy a larger or two smaller pizzas?

Check out the newer version!

How many times have you wondered whether it's better to get 2 medium pizzas or just 1 large pizza? Probably quite a few. What pizzerias usually tell you is a diameter of the pizza pie, but we don't eat the diameter. We don't eat the circumference either. What we eat is the area of the pizza. It's very basic maths that revolves around the equation Area = Radius^2 * Pi, but we're often in too much of a hurry, or just can't be bothered to calculate it in our heads. That's why we built this pizza comparison tool to solve these problems once and for all.

The calculator requires minimal effort from you. Simply type in the diameter, price and number of smaller pizzas and repeat it for the larger pizza(s) you're considering. This tool will show you the total area and price of each pizza and how they compare against each other, expressed as a percentage. If you just want to compare the areas just skip the prices - this tool will work either way. Units will be defaulted to your country's units but feel free to switch between metric and imperial as you wish or maybe you could grab 3000 millimeters worth of pizza!

It's worth noting that it's almost always more cost-effective to opt for a larger pizza. As is the case in any other industry, pizzerias have better margins / markups on smaller products. The table below shows how quickly a pizza's area grows as the pizza diameter increases. As a result an 18-inch pizza is over 3 times larger than a 10-inch one. At the same time grabbing a monster 61-centimeter pizza will feed more people than 2 40-centimeter ones or nearly 6 25-cm pies.

Diameter (in)Area (sq in)Diameter (cm)Area (sq cm)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

Make sure you use our calculator you next time you order a pizza. You'll be grateful you did the maths once your order arrives. Now it's not only discounts that can save you money!

Piotr Małek and Mateusz Mucha

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Pizza Comparison