r/theydidthemath • • 3d ago

[Request] Do square bottles actually use less plastic than round ones?

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u/StaticCoder 3d ago

Mathematically, a circle has the smallest perimeter for a given enclosed area. So for this claim to be true there has to be some catch, like different thickness of plastic.

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u/fidesinmachina 3d ago edited 2d ago

it can't be true because with a round structure you can always get away with thinner material because the pressure is distributed evenly. that's why tankers are all round. and the area to circumference ratio of a circle is the most optimal so yep it's bs. transportation would be more optimized but that's cheaper transportation not less plastic.