.Hi,
There are many articles on wikipedia that contain different units.
Some use cm, that are common in europe, other use inches that are more
widely used in US, same with other unit types.
I think it would be cool if an extension was created which would allow
everyone to specify what units they prefer, and the values in articles
would be converted automatically based on preference.
For example you would say the object has width of {{unit|cm=20}} and
people who prefer cm would see 20 cm in article text, but people who
prefer inches would see 7.87 inch. This could be even based on
geolocation for IP users
What do you think?