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 1 : 1 look like?

Length of the Volga River in Russia (3,640 km)...

: Length of the Murray-Darling River in Australia (3,670 km) ...

Length of a BIC Cristal pen (149 mm)...

: Length of an iPhone 13 Pro (146.7 mm) ...

Length of coast-to-coast American Discovery Trail (Southern Route) (8,140 km)...

: Length of Africa (North to South) (8,000 km) ...

Length of the Copacabana beach in Rio de Janeiro (4 km)...

: Length of Central Park (NYC) (4 km) ...

Height of Kingda Ka, highest roller coaster (139 m)...

: Height of the Great Pyramid of Giza (139 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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