ASPECT RATIO CALCULATOR
Get the exact dimensions, instantly.
Lock a ratio and find a matching width or height, or enter dimensions to see what ratio they simplify to.
Common ratios
Ratio width
Ratio height
Known width (px)
Calculated height (px)
Or known height (px)
Calculated width (px)
Or find the ratio from dimensions
How to use this
Pick a common ratio or enter your own, then type a known width or height — the matching dimension is calculated automatically, so your image or video stays exactly proportional.
Finding a ratio from dimensions
Enter any width and height in the bottom section to see the simplified ratio those dimensions represent.