I'm a geek and as such, I'm constantly striving towards moving completely to metric and other scientific standards (even though I live in the US). I've built a web based converter so all of us can put in our lame ° F and find out how many awesome ° C or ° K it is.
http://www.thatraymond.com/ftock.php
http://www.thatraymond.com/ftock.php