What is an Aspect Ratio?
An aspect ratio is the proportional relationship between width and height of a rectangle, expressed as W:H. For example, 16:9 means for every 16 units of width, there are 9 units of height.
Common Use Cases
- Video Production: 16:9 is the standard HD widescreen format for YouTube and TV.
- Photography: 3:2 is the native ratio of most DSLR cameras.
- Social Media: 1:1 (square) is ideal for Instagram feed posts.
- Web Design: Calculate container dimensions that maintain image proportions.