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 100 : 1 look like?

Height of Olympus Mons (Mars) (21.9 km)...

: Height of the Hoover dam wall (221.4 m) ...

Longest golf drive (471 m)...

: Length overall of a `470` racing dinghy (4.7 m) ...

Length of the Yamal-Europe gas pipeline (4,200 km)...

: Length of a Marathon race (42.2 km) ...

Maximum length of a cricket bat (965 mm)...

: Height of a standard Lego brick (9.6 mm) ...

Length of Chile - North-South (4,270 km)...

: Length of a Marathon race (42.2 km) ...

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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