Warp schrieb:

>>>   Is there a reason that 1 gallon is exactly 231 cubic inches? Was a gallon
>>> first defined in terms of cubic inches? (And why such an arbitrary number
>>> as 231?)
>>>
>>>   Why no such round number with cubic feet? 1 gallon = 0.133680556 cubic feet.
> 
>> 231 cubic inch, actually.
> 
>   Isn't that what I said? Or are you saying that "cubic inches" is incorrect
> and should instead be "cubic inch"?

No, I just shot first and read later :-)

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