Image DPI Calculator
Calculates image resolution (DPI) from pixel width and intended print width.
Lilu Baba's Image DPI Calculator tells you the actual print resolution (dots per inch) your image will have at a given print size — useful before ordering prints.
How to use this calculator
- Enter the image's pixel width.
- Enter the width you intend to print it at, in inches.
- The resulting print resolution (DPI) updates instantly.
Resulting DPI
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FAQ
Image DPI Calculator — frequently asked questions
300 DPI is the standard target for high-quality photo prints; 150 DPI is often acceptable for larger posters viewed from a distance.
You'll need a smaller print size, a higher-resolution source image, or accept some quality loss.