this post was submitted on 11 May 2026
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In the US, pizzas have basically been standardized by the national chains to be 10 inch (25cm) for a small, 12 inch (30 cm) for a medium, and 14 inch (36 cm) for a large.
Honestly, this is probably the most effective way to communicate circle sizes to me, as I am quite familiar with exactly how big each of those sizes are.
I'm obviously familiar with other lengths as lengths, but for flat circles, there's not really a better intuitive comparison.
In Italy a pizza is a pizza. Size can vary a little bit restaurant to restaurant, but no way you can ask a different size pizza than the one you're being served.
Some places may offer slightly smaller ones for kids, but that's quite uncommon.
As you can see, this is not at all a reliable way to communicate sizes: I have no way to decypher how large a large pizza is.
That's exactly my point. While this may make sense for your average fast food loving American, it just doesn't in the rest of the world.
Them there's also the problem the fast food corpos made themselves when they expand internationally, they have to downsize their portion sizes because the rest of the world doesn't eat like fast food loving Americans.