It's a long, long way to ...

How big is 9.46 trillion km ?

  • Equivalent to 9.46 quadrillion meter
  • More or less ...

  • Smaller than: A parsec (31 trillion km) ...
  • Bigger than: Distance to the Oort Cloud (748 billion km) ...
  • Close to/Same as: A light year (9.46 trillion km) ...
  • And equivalent to ...

  • 2,103 times the distance from the Sun to Neptune (4.5 billion km) ...
  • 63,200 times the distance from the Earth to the Sun (149.6 million km) ...
  • And, neatly, although approximately ...

  • is about as big as A light year (9.46 trillion km)...
  • is 4000 x Diameter of the star UY Scuti, largest known star (2.377 billion km)...
  • is 10000 x Length (circumference) of Earth's orbit around the Sun (940 million km)...
  • Read all about it!

    Is That a Big Number? - the book - is now available from all good booksellers.

    "This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine

    Click here to learn more about it.

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

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