How To Measure Cell Phone Screen Size

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Cell Phone Basics explained

How is cell phone screen size measured, cell phone screen sizes in pixels

Cell telephone screen size is measured diagonally every bit shown in the image hither. This diagonal screen size measurement of phone screens is given in inches. The standard screen sizes of cell phones available today tin can be anywhere from 4 inches to 6 inches diagonally. Just 2 years ago the largest phone screen size was about v.five inches diagonally. Phones with over five.5 inch screen were called a phablet – a cantankerous betwixt a phone and a tablet. Now this has inverse, the size of a phablet now starts at 6 inches diagonally.

The pixel size measurement of mobile phones are the number of pixels on the phone screen in the X and Y direction, that is the number of pixels in the horizontal direction into the number of pixels in the vertical direction.

How to measure mobile screen size in inches

To know how the size of cell phone screen, you must measure the phone screen size in inches between to diagonally opposite corners. For example, measure from bottom left corner of screen to summit right corner of phone screen. This is the diagonal measurement of cell phone screen equally shown in the image here.

The screen size is measured in inches, merely in countries which have the metric system of measurement, information technology will be given in centimeters. To convert inches into centimeters, the inch size is multiplied by ii.54, since 1 inch equals 2.54 centimeters. The phone in the epitome has a screen size of iv", which when converted to centimeters equals ten.2cms.

What is pixel size of telephone screen

Pixels are the smallest blocks which make upwardly the screen. The word 'Pixel' is an abbreviation of 'Film Element'. When the pixels are densely packed together, y'all go a much clearer picture. Jail cell phone screen sizes in pixels are normally represented by ii numbers, for instance, in the image hither, the Cell phone screen sizes in pixels is 720×1080. This means that at that place is 720 pixels in the 'X' axis or horizontally and 1080 pixels in the 'Y' axis or vertically.

Some of the higher end cell telephone resolutions today are Total HD=1080×1920 pixels, Quad Hard disk=1440×2560 pixels and 4K Ultra Hd=2160×3840 pixels.

What is PPi pixel density in phones

PPI stands for Pixels Per Inch and is a measure out of or how tightly packed the pixels in a mobile cell phone are. PPI is really the Pixel Density of the display screen of the mobile cell phone. The PPI of mobile prison cell phone screens is got by dividing the number of pixels along either the vertical or horizontal centrality by the length in inches of that side.

Nosotros tin calculate the length of whatever side of a phone screen from the diagonal size of the phone screen and the pixel ratio betwixt X and Y centrality. Thus we can calculate the sides of a four inch telephone display screen to exist two.63 and 3.945 inches. The PPI thus works out to 273 (720/2.63 or 1080/iii.945).

Right now the Sony Xperia XZ is the highest PPi pixel density mobile phone with a PPI of 806. The Sony Xperia XZ is the only Ultra Hd 4K screen prison cell phone available now. The Apple iPhone 7 with Retina five.five-inch Hd brandish of 1920×1080-pixels has just 401 PPi. The Samsung Galaxy S8 has a 5.viii″ Quad Hard disk+ Super AMOLED screen with a 2960×1440 pixel resolution and 570 PPi.

Best prison cell phone screen type: LCD or AMOLED

The two most popular types of telephone screens in the latest smartphones are the IPS LCD display screen or Super AMOLED display screen. The full form of 'LCD' is Liquid Crystal Brandish and 'AMOLED' is Active Matrix Organic Lite Emitting Diode. These are without doubt the best smartphone brandish types to appointment. It is difficult to decide which cell telephone screen type is all-time. We compare the advantages and disadvantages of IPS LCD and Super AMOLED cell phone display screens in the following table chart.

**Mobile Cell Phone screens IPS LCD and Super AMOLED compared**
Criteria	Super AMOLED cell phone screen	IPS LCD cell phone Screen
Picture show Quality	The picture quality of both Super AMOLED and IPS LCD screens are very good. It is very difficult for human eyes to judge whether the picture on a Super AMOLED or IPS LCD screen cell phone has a amend picture	Both IPS LCD and Super AMOLED display prison cell phones accept super resolutions and very high quality motion picture and only avant-garde instruments tin make out the difference betwixt the flick quality of IPS LCD and AMOLED prison cell phone screen mobiles
Picture Brightness	The pixels in a Super AMOLED mobile cell phone screen are self illuminating and does not crave a backlight. There is a limit on how vivid Super AMOLED screens tin can be and so out in the sunshine Super AMOLED cell phone screens are difficult to run across, but indoors they are excellent with better dissimilarity ratios than the IPS LCD screens.	Since cell phones with IPS LCD screens has a backlight, the effulgence of which can be adjusted, so outdoors in vivid sunshine, IPS LCD screen phones are easier to see than the Super AMOLED screens.
Thickness of Phone	Cell Phones with Super AMOLED screen are thinner than phones with IPS LCD Screens since Super AMOLED screen works without a backlight.	Prison cell phones with IPS LCD screens tend to be slightly thicker since they require a backlight. But the newer IPS LCD screens have become very sparse.
Telephone Models Screen Blazon	Samsung Note 8 and Milky way S8, OnePlus 5	Apple vii and vii Plus, Sony Xperia XZ Premium 4K screen