Nothing says, "metric, schmertric" like using the google to convert between measurements.  These databases provide shortcuts to converting measurements as well as languages.

Conversion Calculators 

http://www.wolinskyweb.net/measure.htm

This site makes it easy, but it makes you work for it.  It has a comprehensive database of sites that convert everything from measurements of length, weight and acceleration to currencies.

Language Translation 

http://babelfish.altavista.com

An excellent source for translating words, phrases and even entire web pages.