How to determine the best file quality for your custom poster

Erica Gabriel

Publication date: 01/21/2020

The most frequently asked question we get from our customers here at is “Will my picture look good as a poster?” and “What size poster do you recommend for my photo?”

Here is a quick guide to check your picture quality and select an appropriate size.

1. Size: Determine the size of your digital photo. The easiest way to figure out what size posters will look good is to check
the size of your picture file.

Help making custom posters

Check the field for “Size.” For a large poster (24×36 inches), you will want the size of the file to be in the range of 500 KB to 10 MB. For smaller prints like 18×24 inch posters, you will want to make sure the picture is above 250 KB.

Keep in mind that these recommendations are just a quick way of ball parking what size of poster you should get. There are cases where smaller photos will look good on larger prints, but these numbers will serve as a good reference if you are unsure about what size to get.

2.  Height, Width, and DPI

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The quality of the custom poster you get is going to depend on a combination of the height, width, and resolution of your photo. If both your height and width are greater than one thousand, and your resolution is 72 dpi or higher, you are pretty safe for a good print.

And if you are still unsure about whether or not your picture will turn into a great poster, click on the contact us bar above and send us your picture by email. We will load it into our printing software and give you a recommendation.


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