RSPrintMetric guides
Practical notes for print size and dpi calculator, including examples and the limits of each workflow.
READ THE GUIDE
The formula behind a print-size calculation
Pixels equal physical inches multiplied by pixels per inch. Centimeters are divided by 2.54 before applying that formula.
READ THE GUIDEPPI, DPI and print preparation
Pixels per inch connects digital pixels to a physical image size. This calculator uses PPI even when a workflow casually calls it DPI.