Amit Agarwal at Digital Inspiration has put together some information on just how big the number one trillion actually is, in human-sized terms. We have heard a lot about trillions of dollars in the context of credit crisis and, more recently, in the debate over the US budget deficit. Not to mention that Facebook recently reported that their total number of page views has passed the one trillion mark.
Agarwal started by reporting the following Biblical metaphor
If you start spending a million dollars every single day since Jesus was born, you still wouldn't have spent a trillion dollars by today.
And in terms of a diagram, Agarwal starts with takes a single 100 dollar US bill, and represents larger values as
Extending further, a trillion dollars then requires a football field of space, as shown below, with our human-sized man dwarfed in the bottom left corner.