TIL: a dollar bill is roughly 0.1 sqft
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RT @AlexKrusz
@ruthhook_ The average California lot size is 8,327 square feet. One dollar bill is 0.111 square feet. So $74,824 of dollar bills will cover one average lot. So the answer is about $75k.
https://twitter.com/AlexKrusz/status/1624329338354307072
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Or roughly 100 sqcm
this works nicely because 1m = roughly sqrt(10) ft, and 1m^2 (roughly) = 10 ft^2
By "roughly", I mean, "rounds to with 1 significant digit"