Label Size Reference

1 × 1 inch Thermal Label

A tiny square label for QR codes, seals, and small SKUs.

At 203 DPI
203 × 203 dots
Millimetres
25.4 × 25.4 mm
ZPL
^PW203 ^LL203

The 1 × 1 inch label

A tiny square label for QR codes, seals, and small SKUs.

1 × 1 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 × 1 inch label at each common density:

ResolutionWidth (dots)Height (dots)ZPL
203 DPI203203^PW203 ^LL203
300 DPI300300^PW300 ^LL300
600 DPI600600^PW600 ^LL600
Inches11
Millimetres25.425.4

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

ZPL header for a 1 × 1 inch label

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

^XA
^PW203
^LL203
^FO30,30^A0N,40,40^FD1 × 1 inch label^FS
^XZ

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

What a 1 × 1 inch label is used for

  • QR-code stickers
  • Tamper seals
  • Small product marks

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.