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Possible Duplicate:
How can I calculate power consumption of my PC in Watt?

I need to investigate how much power my Linux machine uses per week. I can take a look at the PSU but I would like to know how to calculate the average use of power it takes.

I also need to know how much power a CRT screen use per week.

Do I need to check the PSU Watt unit and Screen Watt usage and just add both to have the results?

P.S. My question is not related to: How to choose a UPS / calculate power for a new PC

Community
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r0ca
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2 Answers2

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Use a Kill A Watt or similar device. Just plug it in and set it to display total kWh.

Velociraptors
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The only way to do it is to measure the power - you can get cheap power meters these days for 10 - 20 Euros (or USD). Measure the power at idling and when the computer is busy. Then convert this to total kWh per week or whatever.

Paul R
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