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Print Size and File Size Calculator

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This calculator will help you work out maximum print sizes you can expect from digital images. It will also work out approximate file sizes for Raw, TIFF and JPEG images. As long as you know the pixel dimensions of your image, the calculator will work out the rest for you. You can use it with digital camera images or other digital images.

You know your image dimensions, but how large can you print it? Use this calculator to work out maximum print sizes for digital images printed at 300 dots per inch. It will also work out the file size for each image and let you know how many megapixels the image is. Note: 1 megapixel = 1 million pixels.

All you need to have handy are the pixel dimensions of the image.

Enter the image dimensions in pixels
Width (pixels)
Height (pixels)


Size of image megapixels	Maximum print size at 300dpi inches wide inches high

Approx file size for uncompressed Raw format (depending on camera model usually varies from 12-bit to 14-bit) 12-bit Mb 14-bit Mb
Approx file size for uncompressed TIFF format 24-bit Mb 48-bit Mb
Approx file size for compressed JPEG format Note: the file size will vary depending on many factors - the camera you're using: different camera models apply different amounts of JPEG compression; the software you use to convert to JPEG; the amount of compression you choose; the contents of the image and how detailed it is. The lower the file size, the more compressed and the lower the quality of the image. Anything between Mb and Mb

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