Visit - http://www.politicalcompass.org/
My Score was:
Economic Left/Right: -1.50
Social Libertarian/Authoritarian: -2.56
What does this mean? Here are some graphical depictions--
Example:
My Score is closest to Ghandi, which actually surprises me.
Point of note: Some of the questions are worded with double negatives or in such a way that you have to be careful on whether you choose Agree/Disagree, since you may be picking the opposite of what you really meant.