What is Aspect Ratio?
Aspect ratio is the proportional relationship between width and height of an image or screen. It's expressed as two numbers separated by a colon (e.g., 16:9).
Common Uses
- 16:9: HDTV, YouTube, most videos
- 4:3: Old TV, iPad, some photos
- 1:1: Instagram posts, profile pictures
- 21:9: Ultrawide monitors, cinematic videos