You’ve seen countless deals from the best pizza chains—like two medium pizzas for $5.99 each. If a large pizza is $11.99, the two medium pizzas definitely sound better. But have we been taken in by clever marketing when it comes to two medium pizzas vs. one large? This viral Reddit post has the internet convinced that one large pizza is better than two mediums, but it assumes that a large pizza is an 18-inch pie. That doesn’t sound right—so we researched standard pizza sizes and did the math.

See what your pizza delivery person isn’t telling you.

2 Medium Pizzas Vs. 1 Large Whats Actually Better Graphic taste of home

2 Mediums vs. 1 Large: Here’s the Math

The standard medium pizza is usually a 12-inch circle, whereas a standard large pizza is a 14-inch circle. It seems like you’ll have nearly twice as much pizza for roughly the same price if you order two mediums.

Let’s do the math before your next movie night to confirm.

A 12-inch medium pizza is traditionally cut into eight slices and serves two people. A 14-inch large pizza is cut into eight slices and will serve two or three people. You’re going to have way more pizza with two 12-inch mediums! But don’t take our word for it—let’s take a look at a standard equation from our grade school days.

The calculation to determine the area of a circle is πr², where ‘r’ represents the radius (half of the diameter).

To calculate the area of one large 14-inch pizza:

First, find the radius: 14-inch divided by two is seven.

Then, 7² is 49. 49 x π is 154-inch² of pizza.

To calculate the area of two medium 12-inch pizzas:

First, find the radius: 12-inch divided by two is six.

Then, 6² is 36. 36 x π is 113-inch², multiplied by two for a total of 226-inch² of pizza.

There’s no denying the numbers! The math proves that two 12-inch medium pizzas have a larger overall surface area than one 14-inch large pie.

Does the math always work?

The standard size for most pizza chains is a 12-inch medium and a 14-inch large. But some chains may have a 16-inch or 18-inch large size. If you can order an 18-inch pizza for the price of two medium pizzas, that’s going to be a better deal. And keep in mind, if you’re ordering a rectangular regional pizza style, that might throw off the math.

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