- How much electricity does a desktop computer use? -

The electricity usage of a desktop computer it is rather difficult to calculate because many factors do affect the electricity consumption.

For example, a desktop computer that is used for gaming may have a very power hungry graphic card or a desktop computer used for cryptocurrency mining may have the CPU working non stop at 100% capacity. 

In those cases, the electricity usage it is going to much higher than a PC that it is only used for browsing the internet.

Desktop computer electricity usage

In average, a computer can consume between 60 to 300 Watts, but this is only a very rough estimation.

If you know the power consumption of your computer, below we have provided a calculator that can be used to estimate the electricity cost over time.

If you don’t know the power consumption of you computer, below we are providing the means to find out the power consumption by using a plug in power meter.

Electricity usage and cost calculator

The calculator below can be used to estimate the energy consumption and the electricity cost of a desktop computer.

You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.

 

For example, if your desktop computer has:

  • A power rating of 300 Watts
  • It is in use 10 hours per day and 350 days per year
  • You are paying 0,2 euro (or dollars, or pounds, or …) per every kWh you consume 

You will be paying around 200 euro (or dollars, or pounds, or…) per year in electricity costs.

Still, if you want to know the exact electricity usage of your desktop computer, you need to use a plug-in power meter.

For more details, have a look to this post that we have created to show you how to use a plug in power meter to measure your appliances and devices power consumption.

Plug in power meter electricity consumption

A few other examples from our ‘Electricity usage calculators‘ page that may be of your interest:

Additional information

Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would learn more about them, have a look to this video that we have prepared for you.

All our videos can be found in YouTube, in both English and Spanish languages.

If you are looking for saving electricity at home, have a look to this video where we provide some useful tips to reduce the electricity consumption and decrease the electricity bill.

Electricity conservation - Save and conserve energy

Energy conservation can be defined as the decision and the act of using less energy

Energy conservation both benefit you and the environment

The act of saving and conserving electricity does benefit you because you will be paying less on your energy bills. 

And it also does benefit the environment because conserving electricity prevents any unnecessary waste of natural resources.

Now, at individual level it may not look worth to try to save a few watts here or there. 

Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.

 

For example, if 9000 households would manage to save as little as 10 Watts per hour (0,01 kWh) worth of electricity per day, that would add to 32850 Kilowatt hour (kWh) per year. 

That is a considerable amount of electricity, but let’s add additional perspectives for clarity:

  • Assuming an average cost of 0,18 euro (or dollars, or pounds, or any other currency) we would collectively be saving nearly 6000 euro per year.
  •  To produce 32850 kWh of electricity it is necessary to use around 17 metric tons of coal or 56 barrels of residual fuel oil.
Have a look to this page for more information about the amount of resources needed to produce electricity.
 

In any case it is clear that small energy savings do really count when looking into the bigger picture.

We hope that you have found the information on this page informative and of value. 

If so, please consider to share or subscribe to our newsletter.

We dedicate a considerable amount of time and effort to create content and your support and engagement will encourage us to keep moving forward.

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