This tool has been used … times.
Calculate the resolution (DPI) from the image size and print size.
Image Size (px)
Print Size (mm) one side auto-calculated to maintain ratio
Resolution:
Result will appear here
Calculate the required image size (px) from the print size and resolution.
Print Size (mm)
Resolution (dpi)
Image Size:
Width (px)
Height (px)
Calculate the printable size (mm) from the image size and resolution.
Image Size (px)
Resolution (dpi)
Print Size:
Width (mm)
Height (mm)
How to Use
DPI Calculator
Enter your image size (px) and print size (mm) to calculate the required resolution (DPI). Select a paper preset to auto-fill the print dimensions. If both width and height are entered, one side auto-calculates to maintain the image ratio.
Image Size (px) Calculator
Enter your print size (mm) and target resolution (DPI) to find the minimum required image size in pixels. Use the DPI preset buttons (72, 300, 350, 600) for common values.
Print Size (mm) Calculator
Enter your image size (px) and resolution (DPI) to calculate the maximum printable dimensions. A quality indicator shows whether the resolution is suitable for your print needs.
DPI Reference
72 dpi: Screen display only | Up to 149 dpi: Insufficient for print | 150–299 dpi: Acceptable | 300 dpi: Standard print quality | 350+ dpi: High-quality print