DPI Calculator
Convert mm / inch / dots / pixels / pt for thermal label printers at 203 / 300 / 600 dpi - including label pixel size, font size and barcode module width.
Automate this tool via the API: POST /v1/tools/dpi-calculator
API docs
Length → Dots
mm or inch to printer dots.
=
–
dots
dots →
–
mm (– in)
Label size in pixels
Width/height in mm to pixels at the current DPI.
Width (mm)
mm →
–
px
Height (mm)
mm →
–
px
Font size
pt (1 pt = 1/72 inch) to dots and back.
pt →
–
dots
dots →
–
pt
Barcode module
Module width in mm to dots and back.
mm →
–
dots
dots →
–
mm
Quick reference
| 203 dpi | 300 dpi | 600 dpi | |
|---|---|---|---|
| 1 mm | – | – | – |
| 1 inch | 203 | 300 | 600 |
| 1 pt | – | – | – |
| 100 × 60 mm | – | – | – |