Image & File Tools
Aspect Ratio Calculator
Calculate the simplified aspect ratio of an image or video from its width and height.
Aspect Ratio
16:9
1.7778
Common aspect ratios
16:9 — widescreen video and modern displays
4:3 — traditional displays and photographs
1:1 — square images and social graphics
3:2 — common photography format
Why aspect ratio matters
Aspect ratio describes the proportional relationship between width and height. Keeping the correct ratio helps prevent unwanted stretching or distortion when resizing images, videos and graphics.