Have you ever wondered why some movies look wider or taller than others, or why some computer monitors have a squarish shape while others are wider? The answer lies in aspect ratios. An aspect ratio is simply the relationship between the width and height of an image or video. Different aspect ratios can create different visual effects and are used for different types of media. In this article, we'll take a look at some of the most common aspect ratios used in digital media and what they're used for. Custom aspect ratios taller than 1:2 or wider than 2:1 are not supported for --version 4 4:3 The 4:3 aspect ratio is the standard for older televisions and computer monitors. This aspect ratio has a width that is 4 units long and a height that is 3 units long. This means that for every 4 units of width, the image will be 3 units tall. Although this aspect ratio is less common today, it can still be useful for displaying older content or for certain types of photography and vi