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?

Length of a standard full size snooker table (3.57 m)...

: Width of a ice-hockey goal (1.8 m) ...

Length of the Tigris River (1,950 km)...

: Direct distance from Land's End to John o' Groats (970 km) ...

Length of a standard DL business envelope (220 mm)...

: Width of a Penguin paperback book (111 mm) ...

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

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

Length of a credit card (85.6 mm)...

: Minimum diameter of a golf ball (42.7 mm) ...

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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