106 billion sticky notes can cover all of Chicago

I like overly blue water caps

Precisely it would take 105,714,892,800 sticky notes to cover every square inch of Chicago. How did I come with that?

3 inch x 3 inch sticky note

63,360 inches per mile


It takes 21,120 stickies lined up to cover one linear mile.


446,054,400 stickies cover one square mile.

Chicago is 237 square miles of land.


105,714,892,800 sticky notes to cover Chicago.

I was thinking that every time I place a sticky note, how much of Chicago do I cover? 0.000000000945940514% of Chicago. I think that’s right. Correct me if my 3:30am math is wrong.

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