How Many Watts Does a Laptop Use In 2022

There are some things that most laptop users don’t seem to be worried about or have nothing to worry about. If you are a curious person, and you are trying to understand everything about the machine you have been using for years or want to know “how many watts does a laptop use.” If you want to install it, we are going to help you.

If you’re just in numbers, the answer is simple: a typical 15-inch laptop costs about 60 watts per hour. But again, this would mean that you have to spend on these processes. Energy consumption depends on many factors that you may not be aware of. Such as charging, screen brightness, running software, graphics card usage, etc., are things that can change the power consumption.

You may be wondering how many watts does a laptop use?

But it will come with some consideration, including the battery life of the laptop.

Determining how much power your laptop will use should be one of your top priorities. If you want to take your laptop on long journeys or in places where you can’t fit it, it is essential to have a long-lasting battery.

To know your battery life, you need to know how many watts does a laptop use.

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What is Watts about it?

how many watts does a laptop use

The wattage of your laptop – how many watts it uses – is a measure of how much power it needs. The more watts your laptop uses, the faster its battery will be.

There is no single answer to how many watts does a laptop use. While most require anywhere between 20 and 100 watts per hour, this can be as high as 180 watts per hour for some laptops.

These variations often reflect the reason for using the laptop. Different needs require different hardware and usage. If you are a severe gamer or plan to use programs that require high-quality estimates, you can expect to use more watts on your laptop.

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Laptop power consumption factors

Screen size

The first significant factor in laptop power consumption is the size of the laptop screen. There are different sizes of laptop screens. When it comes to how many watts does a laptop use, you need to consider the size of your laptop screen. Laptops with a screen size of 12 to 15 inches consume an average of 60 watts, while a screen of 17 inches or above uses an average of 70 watts or more.

Laptop model

The second factor is to see if it is a specific or straightforward laptop like a gaming laptop. Gaming laptops use more power than simple laptops. The power consumption of gaming laptops depends on their model. Some of the gaming laptops use 180W per hour, and some of them use 135W per hour depending on the model, but the important thing is that gaming laptops use more power than standard laptops.


The graphics card also has a significant effect on laptop power usage. Most laptops have an integrated graphics card. But if you are a professional player and want to make your laptop perfect for gaming, you need to use a powerful video card that uses more power.


The use of laptop wattage also depends on the CPU of the laptop. If your laptop has a good and powerful CPU, then it does not use as many watts, and if your laptop is a house with a low-quality CPU, then it will use more power.


The adapter also has a significant effect on the power consumption of the laptop. Different laptop adapters come with different capabilities. Laptops with a 15-inch screen mostly come with a 65-watt adapter, while laptops with a 17-inch screen use a 90-watt adapter. Therefore, the power consumption depends on the adapter size of the laptop.

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Calculating Your Laptop’s Wattage

A laptop cannot work without the mentioned hardware. However, each brand and model will have its specific characteristics.

The easiest way to get some idea of ​​how many watts a laptop uses is to check its adapter. The adapter will tell you that your laptop can get maximum power input. With a little effort, you can determine a more accurate figure of its power consumption.

Check Components – Specifications of your laptop components are available on their respective websites. However, adding them together will not give you the exact wattage or power consumption of your laptop. Entering the data into an online power consumption calculator will let you know how many watts a laptop uses.

Power Use Monitor – The easiest way to find out your laptop’s wattage is to use Power Monitor. Plugin any of these devices to determine how many watts your laptop uses and your power consumption in real-time.

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Making Your Battery Last Longer

It’s essential to know how much power your laptop uses, but it’s also essential to know how to reduce power consumption.

With a few small opportunities, you can increase how long your battery lasts and how much power your laptop uses.

The wattage of your laptop is not only affected by its screen size. The brighter your screen, the more energy it will use. Check your laptop’s settings to find out how to reduce the brightness.

Buy a cooling pad – Run your laptop’s CPU and graphics card more efficiently at low temperatures and thus use less battery power.

Use the right laptop for the job might be tempting to buy a high-end gaming laptop, but if you only need it to write articles, it will be a waste of watts and money.

Invest in the right hardware – using high quality and more efficient hardware will save you money in the long run.

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How many watts does an Apple MacBook use?

If you’re a MacBook user, you should know that a 13-inch MacBook Pro charger typically consumes 61 watts of power, while a 15-inch MacBook consumes 87 watts per hour. ۔

Based on the above assumptions, you can easily calculate the cost of electricity you can use every day and during a week. Since a MacBook spends an average of 61 watts per square hour, and it works 10 hours a day, it will cost about 7.32 cents, which is 51.24 cents a week.

Make sure you unplug the laptop when fully charged.

If you already understand the level of power consumption through your laptop and are extremely satisfied with the results, you may want to think of some ways to use less power. We’ve tried some ways for your laptop that you can try.

  • Make sure you unplug the laptop computer when charged.
  • Never overcharge your laptop computer; it weakens the battery and uses extra energy within the course.
  • When the charge reaches 10%, plug in the charger; don’t wait for it to close. This process involves extra effort to drain the battery and use more power.
  • Buy a cooling pad to maintain the laptop computer cool whereas charging.
  • To management consumption, give the laptop computer a while to chill down earlier than resuming work.
  • Update your processor and different {hardware} to keep away from any stress on the system.
  • Always use the unique charger supplied by the corporate.

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Now is the time to wrap up the above topic. If you’re asking how many watts a laptop has and how many watts does a laptop use. It all depends on the size of the screen and the configuration of the hardware.

If you are asking about power consumption, it also depends on the time you use it. Therefore, we recommend that you use a cheap, convenient watt-hour meter to measure your power consumption.