Look no further than this article for the best response to this question. It might save you at your next dinner conversation. Let’s start out with this funny quote:

“Einstein was once asked how many feet are in a mile. Einstein’s reply was “I don’t know, why should I fill my brain with facts I can find in two minutes in any standard reference book?”

How many feet in a mile?

When British started using it as a length unit, it was necessary to relate it to furlong which was a very common length unit used in agriculture. 1 furlong is 660 feet. It was decided that one mile to have eight furlongs, that’s why there are 5280 feet in a mile (8 * 660 = 5280

How many feet in a mile – the short version

There’s 5.280 feet in a mile.