Video Aspect Ratio Calculator
Calculate matching width and height values for vertical Shorts, square social posts, widescreen video and more.
Calculate video dimensions
Choose a common aspect ratio, enter a width or height and calculate the matching dimension.
Dimensions are rounded to the nearest whole pixel. Platform recommendations can change; check the current specifications before exporting.
Video aspect ratio FAQs
What is a video aspect ratio?
A video aspect ratio describes the proportional relationship between its width and height. Common formats include 16:9 for widescreen, 9:16 for vertical short-form video and 1:1 for square posts.
How do I calculate video dimensions?
Enter a width or height and choose a target aspect ratio. The calculator estimates the matching dimension while preserving the selected proportions.
Which aspect ratio is used for YouTube Shorts?
Vertical 9:16 is a common format for YouTube Shorts and many other vertical placements. Check the current publishing requirements of the platform you use.