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 2 : 1 look like?

Circumference of the dwarf planet Ceres (2,992 km)...

: Length of the island of Madagascar, North to South (1,500 km) ...

Height of Mt Washington, highest point in NE USA (1.917 km)...

: Height of Tugela Falls in South Africa (948 m) ...

Height of the Chrysler Building (319 m)...

: Height of Beachy Head Cliff on the South Coast of England (162 m) ...

Length of a Penguin paperback book (181 mm)...

: Length of a standard playing card (88.9 mm) ...

Length of the 2016 Dakar Rally (9,240 km)...

: Length of the Congo River (4,700 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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