Did you know?
Mass of Brooklyn Bridge (13.32 million kg) is 2.5 thousand x Mass of an adult male African Elephant (5,350 kg)
Tweet this comparison
Pop. of Dar es Salaam, Tanzania (4.37 million people)
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.