How to work out electrical usage of a device?

Soldato
Joined
22 Dec 2002
Posts
10,165
Location
Minehead
Hi guys,

Am having a wee arguement with my step dad about my electrical use. I'm just wondering if anyone can give me the formula to work out how much electric a given device will use over a period?

Thank you:)
 
Basically say I have my pc... it used a given amount of electric in a hour. I want to work out how much it costs to run for a hour and the formula to do so. I'd also like to be able to apply it to boiling the kettle etc.
 
Thanks guys! :) I apparently cost them £1.11 a week in electric so I think his £20 plus a week is a wee bit off.

Once again, thank you kind sirs ;)
 
Its starred out your link, but I know where you were meaning, have seen them on there before :) I shall pick one up when I get paid :)
 
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