The aspect ratio of 1920x1080 is 16:9. This means that the width of the image is 16 units and the height is 9 units. The resolution 1920x1080 creates an image that is 1920 pixels wide and 1080 pixels tall. The two most common aspect ratios for video are 4:3 and 16:9, with 16:9 being the most common for widescreen video that we see everywhere on the web like YouTube, television shows, and streaming services.