Reserved ad space · responsive display
Dimensions
Enter a source size, then calculate a matching width or height.
Aspect ratio
Simplified ratio
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Height for target width—
Width for target height—
Source megapixels—
Keep images and video proportional
Aspect ratio describes the relationship between width and height. Keeping the same ratio prevents images and video from appearing stretched or squashed when resized.
Reserved ad space · after calculator
More useful tools
General information only. Results are estimates and may vary by convention, provider, location or implementation.