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 1000 : 1 look like?

Length of the USS Nimitz supercarrier (333 m)...

: Distance a flea can jump (330 mm) ...

Length of South America (North to South) (7,150 km)...

: Length of the longest canal tunnel (Rove Tunnel in France) (7.12 km) ...

Height of Table Moutain, Cape Town (1.085 km)...

: Height of the R2-D2 droid in the Star Wars movies (1.09 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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