Photo resolution explained!

Photo resolution explained

Photo resolution explained!

To ensure your photos look great both digitally and in print it is important to be aware of the resolution.

For digital images, resolution is measured by the number of pixels in the image, each pixel represents a point with a colour value. For digital photos, this is often simplified to megapixels, which is the number of millions of pixels in an image. An image resolution of 3,500 pixels in width and 2400 pixels in height can easily be converted into megapixels by multiplying the width x height, this example gives us 8.4 megapixels or 8400000 pixels. At a resolution of 150 PPI (pixels per inch ... some people also call it DPI btw!) our 8.4 megapixel image could be printed max 60 x 40cm.

If you enlarge an image more than the pixels really allow then you get artificial pixels in the picture - and believe us, that does not look good! Ensure you don’t enlarge images more than they can tolerate, if you’re unsure, it’s always better to check with an expert - pop into any of our nationwide branches. We are here to help.

The rule of thumb for PPI is as follows:



Newspaper and brochure

Magazine and photo

Large Format


75 - 100

150 - 300

200 - 300

100 - 200

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