Label Size Reference

1 × 2 inch Thermal Label

A narrow portrait label for test tubes, vials, and slim products.

At 203 DPI
203 × 406 dots
Millimetres
25.4 × 50.8 mm
ZPL
^PW203 ^LL406

The 1 × 2 inch label

A narrow portrait label for test tubes, vials, and slim products.

1 × 2 inch in dots, inches & millimetres

ZPL works in dots, and the number of dots depends on the printer's resolution (DPI). Here is the 1 × 2 inch label at each common density:

ResolutionWidth (dots)Height (dots)ZPL
203 DPI203406^PW203 ^LL406
300 DPI300600^PW300 ^LL600
600 DPI6001,200^PW600 ^LL1200
Inches12
Millimetres25.450.8

Need a different size? The ZPL DPI & size calculator converts any dimensions to dots instantly.

ZPL header for a 1 × 2 inch label

Set ^PW (print width) and ^LL (label length) so the printer uses the full label and nothing clips:

^XA
^PW203
^LL406
^FO30,30^A0N,40,40^FD1 × 2 inch label^FS
^XZ

Paste it into the ZPL viewer to preview, or convert to PDF to print on any printer.

What a 1 × 2 inch label is used for

  • Laboratory vial labels
  • Slim product labels
  • Cable flags

Browse the full label size reference.

Work with your labels, not just read about them

Zentralabel converts, previews, validates, and enriches ZPL labels right in your browser — free tools for one-offs, batch processing for scale.