Ever wonder how much electricity cost per month your computer use, if you have a computer or server on 24 hours a day and you’re wondering how much it cost per month for that computer? simple. What you need is how much does your power company charger per kilowatts hour, example mine is 12 cent per kilowatts. So use this website

http://www.handymath.com/cgi-bin/electric.cgi?submit=Entry

- plug in “Energy Rate” mine is 12 cent
- how many watts your computer use per month, simple calculation, mine runs at average 80 watts, on 24 hours
- plug in about 720 hours in the hr, because a month have about 30 days and that calculate to be 720hrs per month
- then click on calculate, there’s your cost per month

Mine comes out to be about $8 a month or so per computer, now I have 3 running 24 hours a day as server, so I’m paying about $24 a month for 3. You would need to know how many watts your computer use, you can do this using a volt meter or a killawatts or software to monitor the watts.

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