Enter the ratio you're interested in:

Try ratios like: '1 : 10', '5 to 6', '10' (will be taken as 10 : 1), '1000000'

What does a ratio of 5 : 1 look like?

Length of the Kazakhstan-Russia border (6,850 km)...

: Road distance from Land's End to John o' Groats (1,350 km) ...

Length of the Rio Grande (USA, Mexico) (3,057 km)...

: Length of the St Lawrence Seaway Canal system (600 km) ...

Width of Australia (4,000 km)...

: Length of the Indianapolis 500 motor race (805 km) ...

Length of the Saturn V Apollo Program launch rocket (110.6 m)...

: Height of an All-Terrain Armored Transport (AT-AT) in Star Wars movies (22.5 m) ...

Height of the CN Tower in Toronto (553 m)...

: Height of St Paul's Cathedral in London (111 m) ...

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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