He ain't heavy ...

How big is 28 trillion tonnes ?

  • Equivalent to 28 quadrillion kilogram
  • More or less ...

  • Smaller than: Mass of Pandora (moon of Saturn) (137 quadrillion kg) ...
  • Bigger than: Mass of water in Lake Baikal (23.6 quadrillion kg) ...
  • And equivalent to ...

  • 50 times the mass of all the Earth's biomass (560 trillion kg) ...
  • 78,200 times the mass of all the humans on Earth (358 billion kg) ...
  • And, neatly, although approximately ...

  • is 1/20 of Mass of Juliet (moon of Uranus) (560 quadrillion kg)...
  • is 50 x Mass of all the Earth's biomass (560 trillion kg)...
  • 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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