Digital Image Resolution Converter
Convert between pixels per inch (PPI), dots per inch (DPI), and other resolution units
How to Use
1 Enter a resolution value in any input field
2 All other units update automatically in real-time
3 Perfect for graphic design and printing projects
Conversion Formulas
PPI → PPcm: PPcm = PPI ÷ 2.54
PPI → PPmm: PPmm = PPI ÷ 25.4
LPI ≈ PPI ÷ 2 (for printing)
µm/px = 25400 ÷ PPI
FAQ
What is the difference between PPI and DPI?
PPI (Pixels Per Inch) refers to digital image resolution, while DPI (Dots Per Inch) refers to printer output. For most purposes, they are used interchangeably, though technically distinct.
What is standard print resolution?
The standard resolution for high-quality printing is 300 PPI. Web images are typically displayed at 72 or 96 PPI.
What is LPI?
LPI (Lines Per Inch) refers to the halftone screen frequency in printing. Generally, LPI should be about half the PPI for optimal results.