📐Aspect Ratio Calculator
Find ratios and resize dimensions.
About Aspect Ratio Calculator
Calculate the aspect ratio of any width and height, and find the missing dimension when resizing while keeping the ratio. Free online aspect ratio calculator.
🔒 Private by design — this tool runs entirely in your browser. Nothing you enter is uploaded to a server.
Frequently asked questions
What can this calculate?＋
It simplifies any width:height into a ratio, and finds the missing dimension when you resize while keeping the same ratio.