how to measure a laptop screen

How To Measure Laptop Screen – Ultimate Guide

To find the right laptop, you need to know how they are measured. Measuring laptops can be confusing if you don’t know what to look for, and it’s essential to know the dimensions you need before you start shopping around. In this guide, we will you how to measure laptop size so that you can do it yourself without anyone’s help. 

Laptops come in many sizes, with the screens ranging from 10 to 30 diagonally. It can be challenging to know precisely how large a laptop screen you need. Especially if you’re accustomed to working on laptops with larger screens than you think would be necessary. 

If you know everything you need in a laptop but get the wrong screen size, working on it can become exhausting for you. Especially if you get a small screen instead of a large one, which does not provide you with enough real estate to work freely. 

Thus, to solve this problem and to train you to measure your laptop screen without breaking a sweat, we present you with this guide. Here we’ll give some tips on measuring laptop screen size, along with other ways to find the right laptop size for your needs. 

Why Are The Screen Sizes Measured Differently? 

Computer screen sizes are measured diagonally, while laptop screen sizes are measured in length and width. For example, a 17-inch screen will be smaller than a 19-inch screen because it has more height than width. 

Likewise, an 18-inch laptop screen is more significant than a 14-inch laptop screen because its dimensions are broader than those of the 14 laptops. These sizes are what most people think of when they say screen size. The companies introduce different sizes as per customer requests as not everyone is satisfied with a single universal sizing system.

Like if you are looking for a laptop for programming like Acer Predator Triton 700, you will need a decent screen size most likely 15-inches or above will do best for you. However, if you just need a laptop for casual use a 13-inch device will be fine.   

What Is The Diagonal Screen Size? 

Many laptop reviews will go on and on about screen size, but it’s not that important. While bigger is usually better, there’s no reason to pay for a larger display unless you have limited desk space or plan on using your laptop as your primary monitor. A diagonal screen size means the distance between the opposite corners of the screen diagonally.

Most screen sizes of a device whether we are talking about curved monitors or laptops are measured diagonally. The 15-inch Apple MacBook Pro has one of the largest displays at 14 inches diagonally, but it can feel cramped if you open up more than two windows. 

A 15-inch laptop may be overkill if all you plan on doing is checking email and browsing Facebook; if you don’t already own one, consider getting a 13-inch model instead. Having a large screen size if not bring you any benefits if you don’t really need it. Plus, it will just make your device heavier. 

How To Measure Your Laptop Screen Size?

If you’re shopping for a new laptop, screen size can be one of the most critical factors. For example, if you like to watch movies and TV shows, having a larger screen is something you may consider. 

But how do you measure your laptop? To measure laptop screen, you’ll need a ruler, and that’s just it. Then it’s simple! Just find where one of the corners of your laptop is probably the top corner, lay down your ruler on top, and see how long it is from the opposite corner at the bottom. And you will know the diagonal length of your laptop’s display screen.  

There is not much to know about measuring a display screen. And chances are that the companies advertise the screen size while they are marketing their laptops. Thus, measuring it is only an option if you really want to double-check it.  

Key points about measuring laptops 

The most accurate way to measure your laptop is by measuring it while it’s open. The screen should be directly in front of you, parallel with your eyes (i.e., no downward tilt). 

You can use either a ruler or measurement tape: Place both on either side of your laptop screen (one on each side) about half an inch from where they would touch. 

Press down until you feel firm contact with both objects, and then note how far apart they are in inches. 

That’s how wide your laptop is! Now repeat for length using a ruler or measurement tape. If that seems too complicated, some great smartphone apps out there will do it for you. 

Notes on measuring laptops 

A laptop’s screen size is measured as if you were measuring a TV. To calculate your laptop’s screen size, you need two separate measurements: width and height.

The easiest way to measure these dimensions is with a metric ruler, but even without it, you can make do with careful measurement and simple math. 

So how are laptops measured? Here’s how: (inches) x (inches). For example, if your laptop measures 14×10 inches, it would be considered one inch bigger than 13×9 inches. Likewise, 15×11 would be slightly smaller than 14×10. 

How Important Is The Screen Size?

It’s essential to get an idea of how big your laptop screen will be, but when making a buying decision, consider that other factors are more important than screen size. 

A 15-inch laptop is going to have larger dimensions than its 13-inch counterpart. But with everything else being equal, the same processor speed, the same number of ports, etc. 

The bigger laptop is not necessarily better. The same logic applies to smaller laptops (e.g., 11- and 12-inch models). For example, an 11-inch MacBook Air has fewer ports than its 13- and 15-inch siblings, but it also weighs less and costs less! 

Regardless of which screen size you choose or what brand you buy from it is better to learn about the configurations and other specs along with the screen size to have a decent experience. 

This means that you can get yourself a 17-inch backlit laptop that has all the gaming aesthetics, but without a decent graphic card and processing power, it is as good as a 13-inch device for casual use. Thus, the screen size is important when you need to work on different windows or while gaming, but it is not the only thing that matters in a device.

What Size Of Laptop Should I Get? 

Laptops come in various sizes, but there’s no universal measurement for screen size or overall laptop size. Some manufacturers describe screen sizes with measurements like 15.6 diagonal, which measures from corner to corner on your screen. 

Others use nominal sizing terminology (14-inch laptops) or market-specific descriptions (Acer TravelMate). To compare apples to apples and know what size laptop you need, go by physical dimensions like height x width x depth (called mm), where mm means millimeters and is typically listed in front of other specifications when comparing laptops online. 

Bigger isn’t always better for screen size, but it can be more helpful. If you want a more prominent display so that multiple people can view documents at once, get an extra-large laptop (15.6+ diagonal). 

If you have poor eyesight or want a maximum viewing area for movies and photos, opt for one of the more extensive, larger displays. 

But if you’re buying a laptop mainly as a work machine, consider 15-inch screens as standard. They’re easier to carry around than larger ones and still give plenty of room to multitask between applications.

Thus, if you are a programmer, editor, or illustrator, having a decent screen size like 15 inches or above will be best for you. However, that will affect the weight of the device. 

But if you need a laptop for finances or for studying, a 13-inch display screen will be more than enough. It all depends on your preferences and the kind of work you want to do on your laptop. Thus, try different sizes to make sure which one suits your needs the best and get that one.  

What Part Does Bezels Play? 

Bezels are the borders around the display screen which also play a role in the size of your display screen. The wider the bezels, the chunkier the screen looks. Plus it reduces the overall screen’s real estate giving you lesser space to work. 

Therefore, many people prefer display screens with thin bezels and many companies are now introducing laptops with ultrathin bezels like the Dell XPS 15

This allows the user to have all the screens that they want; plus the screen looks more pleasing without having a chunky look to it which serves the aesthetics of the device just right. 

What Are The Dimensions Of The Different Laptop Sizes? 

A computer’s screen size is one of its most essential features and is measured diagonally from corner to corner. The standard for laptop computers has long been 13-inches. Still, recently, laptops with larger screens have become more common and are often dubbed ultraportable (because they’re portable) or netbooks (because they’re easy on your wallet). 

So, how big are different laptop sizes? Here’s a breakdown: 

10 inches: This is another popular size for ultraportables because it gives you a bigger screen than an 11-inch model without being too bulky to carry around. 

11-inch: If you want something small to fit in your bag and go everywhere with you, an 11-inch laptop might be perfect.

12-13 inches: This is what many people think of when they think about traditional laptops—the average-sized display that fits nicely in between smaller ultrabooks and 15+ inch monsters.

14-15 inches: If you want something more significant than a 12-inch display, consider getting a large 14/15-inch model instead they still fit comfortably in bags and can sometimes be used as tablets if you get one with touch capabilities! Plus, companies are also trying to make them as lightweight as possible so that more people can use them even when traveling.  

17 inches and onwards: Having a 17 inches laptop or anything bigger is not the best option, especially if you are mostly on the go. They weigh a lot and are nowhere near being travel friendly. Thus, if you want to sit in one place and use your device, they are a reliable option, but apart from that, a 15 inches laptop will work just fine for you no matter what you want to do on it.    

Why Does This Matter When Looking At Laptops? 

One of your most significant considerations is screen size when comparing two different laptops, whether for purchase or a job. 

The size of your laptop screen can make all the difference in how easy it is to use; how comfortable it feels on your lap, and how much you enjoy using it.

Knowing how to measure laptop screen ensures that everything will fit nicely together when you’re ready to use it. It also allows you to compare products easily and determine which laptops are best suited for what you need. 


Now that you know how to measure laptop screen, you’re one step closer to purchasing your dream machine. But if you still have questions or feel unsure about any of these measurements, head to the company’s website of the device you want to get, and they will provide all the display details that you need to know about your device. 

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