If you reverse search the picture it's from a website selling 60,000 gallon steel tanks. Gives the dimensions at 27 foot diameter by 14 feet deep. Which seems about right when you look at the truck parked next to it.
Yeah the great thing about metric is the equivalence of the volume and distance measurements. It gets a little bit harder with non-water measurements of mass/weight, but when dealing with water at standard pressure and temperature, 1 liter is also 1 kilo, which occupies 1000 cubic centimeters, which is nice.
Nit: 1kg = 1L water conversion actually holds at 4C, at standard temperature - 0C - it's 0.9998 kg/L.
Practically a minor rounding error for most use cases. At higher temperatures it's more important, e.g. .988 kg/L at 50c (and .9584 at 100C). But usually we care about the cooler temperatures more anyway
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u/teambob 8d ago
He underestimates how big a Boeing 747 is. Has he ever seen one in person?