- How much electricity does a Wi-Fi router use?-

 The routers are continuously connecting to power and consuming electricity. 

That means that you should have a look to the energy usage of your Wi-Fi router just in case you have an old router that has a high energy consumption.

Router Electricity Usage

Have a look to the picture above, this is a Wi-Fi router that was purchased 5 years ago. It consumes 31,25 watts per hour while the more modern routers consume around 10 watts per hour.

That means that changing to a more modern router could bring us a saving of around 40 euros per year on our electricity bill. 

Have a look to the next section to find out how we have made the calculations.

Electricity usage and cost calculator

The calculators below can be used to estimate the power and cost consumption of a router over a period of time. 

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

First, use this calculator if you need to find out the power usage (Watts) out of the voltage and current consumption of your router. 


Once you know the power consumption in Watts (W) and how much you are paying to your electricity provider for every kilowatt hour (kWh) you consume, then you can use this calculator to estimate the electricity usage and the electricity cost.


For example:

  • A 31 Watts router, connected to power the whole year and with an electricity cost of 0,217 euro per kWh, it would add around 58 euro to our electricity bill.
  • A 10 Watts router, connected to power the whole year and with an electricity cost of 0,217 euro per kWh, it would add around 19 euro to our electricity bill.

A nearly 40 euro difference is a gap to have in consideration, isn’t it? It may actually be worth to buy a more modern and more efficient router.

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

Television electricity usage calculator
Laptop electricity usage calculator
Computer monitor electricity usage calculator
Computer monitor
Desktop computer electricity usage
Desktop computer

Additional information

Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would like to 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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Effiworkx blog

For more useful energy and water saving information and advice, have a look to our blog.

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