Diameter of a CD / DVD

Diameter of a CD / DVD (120 mm)

/fact/diameter-of-a-cd-dvd

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Neat Ratios ...

Diameter of a CD / DVD (120 mm)

  • is 1/4000 of World record longest flight of an arrow from a bow (2010) (484 m)...more
  • is 1/4000 of Longest golf drive (471 m)...more
  • is 1/2000 of Length of Tower Bridge over the Thames (244 m)...more
  • is 1/500 of Length of an ice-hockey rink (61 m)...more
  • is 1/400 of Height of St Basil's Cathedral in Moscow (47.5 m)...more
  • is 1/250 of Length of a blue whale (30 m)...more
  • is 1/250 of Height of the `Christ the Redeemer` statue in Rio de Janeiro (30 m)...more
  • is 1/200 of Height of a typical Hot Air Balloon (24 m)...more
  • is 1/200 of Length of a tennis court (23.77 m)...more
  • is 1/50 of Men's Olympic Pole Vault record (5.97 m)...more
  • is 1/40 of Length overall of a `49er` racing dinghy (4.88 m)...more
  • is 1/25 of Height of a basketball hoop (3.048 m)...more
  • is 1/20 of Height of a football goal (2.44 m)...more
  • is 1/20 of Men's Olympic High Jump record (2.39 m)...more
  • is 1/10 of Height of a ice-hockey goal (1.2 m)...more
  • is 1/10 of Length of a lightsaber in the Star Wars movies (1.19 m)...more
  • is 2/5 of Length of an A4 page of paper (297 mm)...more

If this was a standard unit ...

Is That A Big Number? - The Book

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.

Click here to learn more about it.

Click here for Podcast: Andrew Elliott interviewed for New Books Network.

http://itabn.tumblr.com/post/138631317782/this-website