Our calendar will print images at A4 size, therefore we
require high resolution 300ppi images.
Successful images must be landscape format with a minimum approximate pixel ratio of 1984 x 1400. Anything higher is good as it will result in a sharper image. The ideal pixel ratio for A4 is 3450 x 2400.
Why is this important?
The minimum resolution for printing photos is 300dpi. As the name suggests, this means that there are about 300 pixels (or dots) for every square inch of the image. This will result in sharper image quality and a more professional finished product.
The higher an image’s ppi (pixels per inch), the higher the print
resolution and the better the image will look. Most online
images have a default setting of 72ppi, which looks fine on a computer monitor
or smartphone screen but will unfortunately be pixelated on a printed page.
How do I know if a photo is high resolution?
Windows PC: right-click on the image and then select 'Properties'. A window will appear - go to
the 'Details' tab to see the image's dimensions and resolution.
Mac: open the image in Preview and select 'Tools' then 'Adjust Size'. The details are labelled 'Resolution'.