Figure out how much your computer is costing you

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Most geeks have encountered this eternal dilemma: is it better to leave your computer on most of the time, letting it sleep when it wants to, or should you turn it off whenever you're not using it?

The Coding Horror blog set out to discover the answer. Of course, you'll need a way to figure out how much juice your computer is using up, which will either require you shell out a few bucks for a measuring device such as the Kill-a-Watt, pictured above (a useful gadget in and of itself). You convert that into kilowatt-hours by multiplying it by the amount of hours you leave your machine on, then use your power company's cost per killowatt-hour, and voilà! That's how much it's costing you.

There's also some tips on the page for reducing your computer's power consumption. Good for the frugal (and at this time of the year in the northeast, that's pretty much all of us).

[via Lifehacker ]

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