Interesting
3.4k voters

These People Did The Math For Completely Unnecessary, But Incredibly Interesting Calculations

February 24, 2020 16.5k votes 3.4k voters 107.0k views20 items

List RulesVote up the calculations that might be unnecessary, but are nevertheless interesting.

You might remember those seemingly unrealistic math problems that were given in school, for example, the ones where Sally is buying 18 watermelons, eating 13 slices of pizza, and walking 28 dogs. The subreddit r/theydidthemath takes this one step further, and solves complex, but completely unnecessary calculations. In spite of their apparent lack of usefulness, their calculations are often incredibly interesting breakdowns of random things that pique their curiosity. Inspired by everything from tweets to memes, here are some of the best calculations from r/theydidthemath.

  • 1

    The Changes In Annual Tuition At Yale

    The Changes In Annual Tuition At Yale
    Photo: rnusicality / Reddit
    2,271
    101
    Interesting calculation?
  • 2

    The Real Worth Of A Billionaire

    The Real Worth Of A Billionaire
    Photo: u/Awesomeguy5507 / Reddit
    1,615
    127
    Interesting calculation?
  • 3

    Finding The Cumulative Amount Of Times Spent Urinating

    Finding The Cumulative Amount Of Times Spent Urinating
    Photo: u/CowboyState / Reddit
    1,212
    97
    Interesting calculation?
  • 4

    The Number Of Plants Needed To Replace The Oxygen You Waste

    The Number Of Plants Needed To Replace The Oxygen You Waste
    Photo: u/bthnp / Reddit
    591
    45
    Interesting calculation?