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 10 : 1 look like?

Height of the Great Sphinx of Giza (20.21 m)...

: Women's Olympic High Jump record (2.06 m) ...

Length of USA dollar bill (156 mm)...

: Width of a standard 4 x 2 Lego brick (15.8 mm) ...

Length of a Samsung Galaxy S8+ smartphone (159.5 mm)...

: Width of a standard 4 x 2 Lego brick (15.8 mm) ...

Height of Ben Nevis, highest point in British Isles (1.344 km)...

: Height of St Peter's Basilica in Rome (136.6 m) ...

Height of the `Christ the Redeemer` statue in Rio de Janeiro (30 m)...

: Height of a basketball hoop (3.048 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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