How to use this calculator
Start with the deterministic fixture values already shown, then replace each input with measurements from your job. Use consistent units and review the highlighted assumptions before using the result in purchasing or production.
Formula and method
Each allowed integer dot width is converted to millimetres at the actual printhead resolution. The closest candidate is highlighted; optional total-module and quiet-zone counts produce physical widths.
Read the methodology and source notes →
Read the complete choose a printable barcode x-dimension guide →
Worked example
For a desired 0.33 mm module on a 12 dots/mm printhead across 2–6 dots, 4 dots is closest at 0.3333 mm (+1.01%). Ten quiet-zone modules occupy about 3.333 mm on each side.
How to interpret the result
The closest value is only a raster match. Select a candidate permitted by the symbology and application specification.
Limitations
There is no universal barcode minimum or quiet zone. Symbology, data, substrate, application, print quality and the current governing specification determine compliance.
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