When you are buying a new laptop bag, or you want to get the broken screen fixed on your laptop, you should always know the laptop screen size. Now, there are different methods to find that out but this article talks about how to know the screen size of the laptop without measuring.
If you measured it before but you forgot or you don’t have the ruler or other measuring equipment, this guide presents several ways to help you find out your laptop screen size without measuring.
Even if you don’t have anything to do with determining the size of your laptop screen, it is a good idea to know what your laptop screen size is. When you buy a laptop, you should physically measure the actual screen to find the actual screen size, and that you can do with any ruler or measuring apparatus.
Let’s discuss how to know the laptop screen size without measuring.
We have listed some technical services to find out the size by comparing it with other devices and few other easy methods to make it easier for you to know the real screen size. We will also take a look at different types of tools you can use for the measurement of the computer screen which exactly tells you what size the screen is.
How to find laptop Dimensions?
The display screen is the most critical component of a computer or laptop and the display size determines the quality of the display to either make it a beautiful display or an ugly display. Measuring the screen size allows you to choose the best screen which you can stare at all day.
Computer screens are measured through different methods and we are going to discuss a handful of those methods in this guide. Every laptop has specific screen dimensions like 15-inch or 17-inch, but when you are measuring the device, dimensions can be body size, pixels, per square inch which confirm the size you specifically need. Therefore, you should only measure the screen area and avoid the plastic bezel around the screen area.
The ideal case to measure the laptop screen size will be when you are buying a new laptop bag you want to determine the correct resolution of your screen. The other scenario could be buying screen protectors or external protectors for your laptop screen which require the laptop screen’s specific dimensions. Finally, when you give your laptop to the repair shop, screen size becomes important in that case.
A quick way to find the laptop screen size without measuring is a diagonal measurement in which you measure the screen size of a laptop computer from one corner to another diagonal corner. You can further determine the screen size if you can find out the difference between the screen size and resolution.
Chromebooks, notebooks, and laptops, all of these machines have different screen sizes, either you are using them for games, video editing, live streaming, photo editing, architectural needs, or writing purposes. And, cheap or expensive has nothing to do with the screen quality but it affects the screen size for sure.
How to know the screen size of a laptop without measuring
So, how to find out your laptop screen size without measuring? Let’s take a look.
Know the Model Number
Every laptop or computing device comes with a unique model number that helps you find the relevant information of the laptop including the screen size.
The first thing to look for is the cover on the bottom of the laptop because every manufacturer always mentions the specifications of a model number clearly that state the screen size or at least the model.
Let’s say the Acer laptop has a model number S291HL and in this scenario, the screen size is 20 inches. Through the model number, you can know the screen size immediately. The screen size comes after S because sometimes the model number starts with one or two letters before the number one. So, the amount after the first letter indicates the size of the screen.
Most of the time, the model number tells you the screen size without measuring but there can be general information in some scenarios which is not all the time accurate. So, customer service can help you in that regard.
Measurement through the standard object
This is the simplest method to find out the screen size of a laptop without measurement. You need to get an A4 paper which has a standard size of 13-inches. This way, you are measuring the screen size of a laptop without using a tape measure. Put the paper on the screen and determine if the screen size is small or larger than the paper, it will be one of 11.6, 13.3, 14.1, 15.4, or 17.3 inches.
Using laptop’s model specification
The other way of finding the laptop screen size without measuring is to check models’ features which are available on the casing on the laptop or sometimes on the user manual, or on the cover at the bottom of your laptop.
Specifications specify the screen size or model number which you can use and a quick search can help you find the server-derived features of a laptop.
Screen size can usually be found in a display settings folder or a laptop, or sometimes in the advanced display settings.
Keep in mind that the search reflects the model number, not the screen size. So, when you search online with this model number, the model number can help you search online for screen size which is not completely accurate. So, you should visit the website specifically for the many you create or the other option is the customer service can help regarding the dimensions.
Follow this method to determine the screen size of your laptop without measurement.
1- Windows settings > Systen
2- System > Advanced display settings
3- Advanced display > Screen size information
Most of the time, major laptop specifications like screen size are labeled on the bottom which you can check by rotating the laptop.
Download A Software or Check Online
Another cool method to determine the screen size is using PC software that can give you details of your laptop along with the screen size and all other display features and you can verify the display size online as well.
A popular program that you can use is Infoblip comes with a screen size detector that’s super easy to use. It shows a credit card that requires adjustment unless it matches the actual size and gives you an estimate of your laptop’s display.
Search for the Laptop online
You can search online, What’s the name of your laptop or model number to find that you can look at the hatches on the bottom panel. Either search on google, the manufacturer’s website, to find the best matching result. But, computer specifications of the laptop display and important hardware information will be available most of the time on the internet.
View the manual of the laptop
To ensure the size you can determine the size through measure by tape measure. You can open the manual and find screen specifications because almost every laptop manual has the correct size of the laptop screen.
Viewing the backside of the laptop
Rotate your laptop and find labels with models and great laptop features to find the size of the display because sometimes screen size is indicated by a number in the upper right corner, H243HX implicates a 24-inch size.
Other elements participating in the screen Size
Screen Size vs Resolution
Many people are confused by the terms screen size and screen resolution and to clear that confusion we will discuss both of them separately to help you understand the basics of screen measurement for a laptop.
The Screen size is the measurement in inches that is the physical size of the screen. The physical screen size for many laptops is 13-inch, 15-inch, and 17-inch. Both Mac laptops and Windows laptops have the same screen sizes but different resolutions.
It is the number of pixels in a display area, for example, 1920×1080 pixels or FHD resolution. Many cheaper laptops have 1024×720 resolution which is also known as HD resolution. Other short names of these resolutions are HD(High-Definition), FHD(Full Hid-Definition), 1440p or 2k or WQHD, and 4k.
Screen resolution depends on the price of the laptop but depending on the screen resolution display becomes faster or slower. So, you should pick a laptop with a high top screen resolution. Screen resolution also impacts the brightness to makes details more visible. Full 4k resolution comes with a premium price tag but the 1080p screen is cheaper but can handle intense graphics as well.
Now, the screen resolution and screen size both determines the Pixel Per Inch ratio for a display to help you understand that we will do a little math here.
To make things simple, we will measure the screen sizes of both iPhone 3GS and iPhone 4. The iPhone 4 features 960×640 pixels resolution and iPhone 3GS has 320×480 pixels.
We will do this simple math to find the PPI.
Find the sum of the squares of resolution (960² + 640² = 1,331,200)
Take the square root of your obtained answer (√1,331,200 = 1,153.78)
Finally, divide the previous answer by the diagonal size of the screen (1,153.78 / 3.5 = 329.65)
The iPhone 4 has a 326 PPI and iPhone 3GS has a 165 PPI and this is a clear difference in both screen sizes and the reason why iPhone 4 has a clean, crispy, and sharp Retina display.
But, this math won’t determine the picture quality displayed. There are other factors involved that make the picture quality great or worse.
The Contrat ratio is also known as the display aspect ratio. It is the difference between bright colors compared with the darkest colors for a screen. The brighter and higher contrast ratio display gives you accurate and consistent color reproduction while the less-bright display can give you patchy brights and dark areas.
Nits are the unit for measuring the degree of brightness from the screen. Nits are the only measurement element for smartphones, mobile devices, laptops, and monitors that accurately display the display. The high night ratings mean more bright screens and usually laptops come with 200 to 300 nits brightness settings. But, Macs excel to give brighter display, latest displays by Mac are coming with 540 nits,
Black and white accuracy
This is another important screen quality measurement element which is also called the black surface and it is similar to contrasting ratio. It handles how the display can show blacks for different screens. The smaller number means the black surface will be great, and the higher number means the black surface representation won’t be great.
On the other hand, white levels are also measured. The higher number means better white representation, and 255 is the maximum at RGB scale and the display can show accurate white color.
Other important elements regarding the display measurement are the sRGB graph, HDR, and other, important things are knowing the update rates of the screen. Refresh rate is the frequency of display to change the image per second and it is measure in Hz.
Average refresh rates are 60Hz and 144Hz and are used depending on the requirement. For instance, gaming demand a higher refresh rate of 240Hz or 360Hz to enjoy a smooth gaming experience. But, casual web browsing or entertainment activities don’t require the fastest refresh rate display, 60Hz is enough.
A higher refresh rate makes gameplay immersive and prevents crashes during the gameplay and ensures there are no constant breaks and delays and with that video card is performing at the best for graphics-related games and tasks.
This Article is Updated.
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- How to know the screen size of a laptop without measuring
- Know the Model Number
- Measurement through the standard object
- Using laptop’s model specification
- Download A Software or Check Online
- Search for the Laptop online
- View the manual of the laptop
- Viewing the backside of the laptop
- Other elements participating in the screen Size