Aspect Ratio Calculator
Calculate dimensions for any aspect ratio — with common presets for video, photo and social media.
ℹ️ About this tool
Aspect Ratio Calculator computes width and height for any ratio with presets for 16:9, 4:3, 1:1, 9:16 and popular social media formats. Works in both directions — enter either dimension to get the other. All calculations run instantly in your browser.