Aspect Ratio Calculator

Lock a ratio and size it, detect ratios from dimensions, scale by percent, and fit or fill any frame.

Ratio & dimensions

Aspect ratio (W : H)

Dimensions (px)

Edit either dimension — the other follows the ratio. Edit the ratio to resize the height.

Presets

Scale

Scale (%)

Fit & fill a frame

Frame width (px)

Frame height (px)

Fit — letterbox / pillarbox

Fill — crop