Image Resolution Calculator

Image resolution determines print size and quality. 300 DPI is the standard for professional print; 72–96 DPI suits screen display

The calculator uses the standard published formula for image resolution. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with centimetres, inches, watts. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Print width (inches) = Pixel width / DPI. Each step in the calculation is shown so you can verify the result manually.