Barcode Tools

Barcode Quiet Zone Calculator

The quiet zone is the empty margin a scanner needs to locate a barcode. Pick a symbology and X-dimension to get the required clear space on each side.

Symbology
X-dimension (mm)
Recommended: 0.2640.66 mm.
Output resolution (DPI)
For the pixel sizes below.
11X
Left quiet zone (modules)
7X
Right quiet zone (modules)
3.63 mm
Left quiet zone
2.31 mm
Right quiet zone
42.9 px
Left @ 300 DPI
27.3 px
Right @ 300 DPI
5.94 mm
Total added by quiet zones
0.2339 in
Total added by quiet zones

Retail point-of-sale. Total width covers 95 modules plus the left (11X) and right (7X) quiet zones.