Tool

px↔mm↔pt Converter (DPI)

Convert px, mm, and pt with DPI presets and custom print density.

DPI

Quick reference

  • 1 inch = 25.4 mm
  • 1 point (pt) = 1/72 inch
  • px depends on DPI: px = inches × DPI

FAQ

Why does px change when DPI changes?

Pixels are a density-dependent unit for print calculations. Same physical size uses more pixels at higher DPI.

Should I use 300 DPI for print?

For most final print jobs, yes. Use 150 DPI for draft proofs and 72 DPI mainly for screen previews.

Tool notes

Convert px, mm, and pt with DPI presets and custom print density.