Understanding Aspect RatioUpdated a year ago

The term "aspect ratio" simply indicates the proportion of an image's rectangle, illustrating the relationship between its width and height. This ratio can vary greatly, ranging from long, slender panoramic shapes to short, wide rectangles, and even perfect squares. Essentially, the aspect ratio categorizes the shape of an image by comparing the length of its longer side to that of its shorter side, providing a precise mathematical expression of its rectangular form. To further clarify, here's an infographic.