# What does PX mean in size?

## What does PX mean in size?

I repeat: Web images are measured in pixel dimensions – also referred to as PX – so 600px X 450px means 600 pixels wide by 450 pixels high (typically, width is quoted first). Web images are also measured in file size (i.e. 200K or 2MB !).

## How many pixels is an image?

An image that is 2048 pixels in width and 1536 pixels in height has a total of 2048×1536 = 3,145,728 pixels or 3.1 megapixels. One could refer to it as 2048 by 1536 or a 3.1-megapixel image.

Is pixel same as dimension?

Pixel dimensions measure the total number of pixels along an image’s width and height. Resolution is the fineness of detail in a bitmap image and is measured in pixels per inch (ppi). The more pixels per inch, the greater the resolution.

What does pixel mean in photography?

PIcture ELement
A pixel is a contraction if the term PIcture ELement. Digital images are made up of small squares, just like a tile mosaic on a wall. Though a digital photograph looks smooth and continuous just like a regular photograph, it’s actually composed of millions of tiny squares as shown below. Pixel count.

### What size is 640×480 pixels?

Images viewed on a computer monitor are displayed at 72 dots per inch or dpi. Each pixel is converted into a dot of color. An image with 640×480 resolution will be displayed on a monitor as 640/72=8.9 inches by 480/72=6.7 inches, or 8.9 x 6.7 inches in size.