Did you know?
Height of the main mast of the Cutty Sark sailing ship (47 m) is 1 thousand x Length of a standard matchbox (47 mm)
Tweet this comparison
If you appreciate this site, do us a favour and click on the ad above. We'll earn a penny or two and that will help us keep going.
You'll know that you have done a good thing for numeracy and rationality in the world!