2nd October 2019


How many pixels per inch is a high resolution photo?

It has become commonplace to refer to PPI as DPI, even though PPI refers to input resolution. Industry standard, good quality photographs usually require 300 pixels per inch, at 100% size, when printed onto coated paper stock, using a printing screen of 150 lines per inch (lpi).

Then, what resolution do I need for a 24x36 print?

Image Resolution and DPI Requirements
Print Size/ProductMinimum Image Resolution
16x20 Posters2980x2384 pixels
20x30 Posters4470x2980 pixels
24x36 Posters5400x3600 pixels
2x6 Banner1800x1440 pixels

What resolution is required for large prints?

For a 4" x 6" print, the image resolution should be 640 x 480 pixels minimum. For a 5" x 7" print, the image resolution should be 1024 x 768 pixels minimum. For an 8" x 10" print, the image resolution should be 1536 x 1024 pixels minimum. For a 16" x 20" print, the image resolution should be 1600 x 1200 pixels minimum.

What is a good resolution for a poster?

For 24"x36" posters, some studios work in full 300dpi. Others find that resolution too demanding on the computer, and work at half-size (150dpi). Then I was told printers will print movie posters at 72dpi so anything above that is wasted anyway.
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