DPI for Print Calculator
Checks whether an image has enough pixels for the print you want.
DPI at this print size
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Largest print width at target —
Largest print height at target —
Pixels needed for this print —
Reading this —
The formula
DPI = pixels ÷ print size in inches largest print = pixels ÷ target DPI
Strictly this is pixels per inch of the image. Printers use DPI for it too, and that is the sense here.
What to watch out for
Changing the DPI setting in a file does not change its pixels, only the size it prints at.
Frequently Asked Questions
How big can a 3000 × 2400 image print at 300 DPI?
10 × 8 inches.
How many pixels does an A4 print need at 300 DPI?
About 2481 × 3508.