Using electric power in desktop pc

[soungminset]

Hello,
i wante to knwo how much electric power (eg.watt) using desktop computer.

 

[fowang]

id say this

http://www.youtube.com/watch?v=I5cYgRnfFDA

 

[diellur]

http://extreme.outervision.com/psucalculatorlite.jsp

 

[jsc]

Get a Kill-a-watt meter. It will measure the line power used by a computer.
http://www.p3international.com/products/special/p4400/p4400-ce.html\

I know they make 220 volt versions but I cannot find any links.