📐 Aspect Ratio Calculator
Calculate dimensions based on aspect ratio
Original Dimensions
Ratio: 16:9
Resize by Width
720
Resize by Height
1280
Common Ratios
FAQ
What is aspect ratio?
Aspect ratio is the proportional relationship between width and height. 16:9 means for every 16 units of width, there are 9 units of height.
What ratio should I use for social media?
Instagram posts: 1:1 or 4:5. Stories/Reels: 9:16. YouTube thumbnails: 16:9. Twitter/X images: 16:9 or 2:1.