The ratio between the width of the image and its height is said to be aspect ratio. But nowadays, aspect ratio is used for videos, movies to describe the screen size of different devices such as TV, notebooks, tablets and even mobile phones. Use the below pixel aspect ratio calculator to calculate aspect ratio value and pixels of an image or object, even new sizes for images that you want to resize. Enter the resolution width and height to get the resultant ratio.
An image with resolution width and height as 5 and 7.
Aspect Ratio = 5 / 7
Pixels = 5 x 7
= 35 pixels