Photoshop: Target size in Megapixels of image while resizing it

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  • Updated 6 years ago
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In CS6 and Elements, when resizing an image, it would be extremely useful to have the target image size written in the resize dialog box as one writes the new X and Y values in the input boxes.

Actually, the best would be a slider to resize the image to a desired maximum number of pixels, while maintaining the original aspect ratio.

This would be appreciated when resizing huge panoramas for sites that only allow images of a maximum pixel size... for example, 50 Mpixels...

Right now I have to open the calculator to multiply X and Y to find out the final size, using a trial and error method, before hitting OK.

Thank you for your attention and best regards,
Giorgio.
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Giorgio Galeotti

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Posted 6 years ago

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Chris Cox

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In Photoshop the final size of the image is visible in the image size dialog, and I believe it is also visible in Elements.

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Giorgio Galeotti

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It looks to me like this is not the width x height but some other dimension, probably the storage required on disk. In other words: it is called "Pixel Dimension" but it's the MB dimension on disk.

In fact, 1177 x 723 should be 850971 instead of 2.43M... Could it be a little bug?
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Chris Cox

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No, that is the uncompressed size of the flat image.
1177 * 723 * 3 bytes per pixel = 2552913 bytes = 2.4346 Megabytes

The size on disk would depend on many other factors.
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Giorgio Galeotti

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Well, then it would be great to have the size of the flat image divided by 3 written right besides it. Otherwise I still have to use the calculator in order to know the pixel size (Width x Height) of the target image.