How to Measure Laptop & Screen Size

Laptops come in different sizes, so you can buy one that’s up to your needs. However, if the current status prompts you to know the size of your laptop, don’t worry. In this post, we’re going to walk you through some of the steps to measure your laptop size and things you should know before taking the measurements.

Ready? Let’s dive in!

Steps to Measure Laptop Size 

Well, before we dive into the steps, there are certain factors worth considering. Let’s find out some of the basic ideas you should know before taking the measurements. 

Things to Know Before Taking the Measurement

While you may think that the big screen size is a determinant to your laptop’s large size, sorry to disappoint you, both the screen and the laptop size are different and don’t include the bezel part of the laptop. Another thing to note is when buying a laptop bag – always add a few inches to the actual measurements. 

To effect the measurements, a measuring tape or a large ruler is a must-have. These tools will determine not only the screen size but also the laptop size.

Typically, the measurements are taken in inches. However, you can convert any other measurement you opt for, once you’re done. Now that you know the basics to consider let’s dive into the steps. Shall we? 

Step 1: Measuring Diagonally

Diagonal measurement is the initial step to measuring the size of your laptop or even the screen. Often, the diagonal measurement is the most accurate measure. While the process isn’t a hassle, it would help if you understand the essentials. 

This step can be used in various laptop brands – from Macs all through HP, DELL, and LENOVO. To obtain the most accurate measurement, make sure that your laptop’s screen is closed. 

Next, put the measuring tape on the bottom left corner while stretching it to the top right corner of your laptop. Again, the preferable unit for measurement is in inches, but you can convert any unit you’ve opted for, once you’re done with the measures. 

Step 2: Measuring Height

Now that you know your laptop’s diagonal measurement let’s see how we go about measuring the height. Because you’re using a live model, differentiating between the height and width could be a daunting prospect. So ensure you do as the instructions prompt.  

Put the measuring tape on your laptop’s top-middle, stretching it to the bottom. The measurement you get should be your height, regardless of the type. If you’re looking for a laptop bag, make sure to add a few inches to the actual measurement. 

Step 3: Measuring Width

Horizontally, place your measuring tape on the top left and stretch towards the right to measure your laptop’s width accurately. Unlike the height, please do not add extra width to the actual measurement for the laptop bag, as it may appear odd or too bulky for portability reasons. 

Step 4: Measuring Depth

Finally, it’s essential to consider your laptop’s depth. Place a measuring tape vertically on the sides to obtain the depth measurement. Again, do as per the instructions prompts for accuracy. Not only will these measurements give you the basic idea of your laptop’s thickness, but also how bulky it may seem for your future purposes. 

How to Know Which Laptop Bag or Laptop Skin to Choose Based on Size?

It’s no surprise that most people will choose a bag or laptop skin based on the screen size. What they do not know is that laptops often include edges and bezels, which are perfect for determining the size of the bag or laptop skin. 

If you follow the steps above to measure your laptop’s size, knowing the height, depth, width, and diagonal measurements becomes a no-brainer. These measurements will often come in handy to leverage a laptop bag based on the size. Meanwhile, the design and quality come second if the actual measurements aren’t known.  

Similarly, you can still choose the right laptop skin for your computer based on the actual measurements. Also, you may want to buy customized stickers at, where you can outline all your measurements for a perfect order. Alternatively, order enough size and cut it based on your laptop’s measurement upon its arrival. Laptop skins are essential when you intend to run the machine on the panel. 

While this might seem like some additional expenses, it isn’t. This is for accuracy reasons. Instead of buying the wrong size, you’ll have more than enough even after obtaining the actual size for the machine. You can keep the remaining for future use or should you need to do some refinishing. 

Frequently Asked Questions 

Before we dive into the bottom line of this, let’s look at a few questions we frequently get from our readers, shall we? 

  1. How do I know my laptop screen size without measuring? 

We have got this question from different individuals who don’t go further to measure the dimensions of their laptops. To find the screen size of your laptop, go to the website you purchased your laptop. A simple Google search can also help you reveal the screen size of your laptop. Honestly, it’s that easy. 

  1. How do I measure the screen size of my laptop? 

Measure your laptop’s screen size by using a tape measure from the top left corner down to the right corner. Alternatively, you can use a ruler and put it on the edges of your laptop to get the screen size. If those don’t work as you want, feel free to check out your laptop’s specifications to know the screen size. However, it is essential to note that you should never measure your laptop’s screen size horizontally because you are most likely to get a wrong measure. 

  1. How should I measure my laptop in CM?

Laptops come with the typical screen size and not laptop size in inches. So depending on what you go for (32 inch gaming monitor), use a measuring tape or a large ruler to measure the laptop in cm indirectly. If you don’t have any of these tools and you want to measure in cm instead of inches, ensure to convert your measurements once done. 

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