Did you know?
Mass of water in Lake Geneva (89 trillion kg) is 250 x Mass of all the humans on Earth (358 billion kg)
Tweet this comparison
Mass of a barrel of crude oil (159l) (139 kg)
If this was a standard unit ...
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.