QR Code Print Size Calculator

Estimate physical QR size and pixels for print planning without generating or uploading content.

Modules across

Quiet zone modules each side

Module size

Module unit

Print DPI

Alternative target width (optional, mm)

—Physical width

—Pixels at DPI

—Effective module

—Includes the selected quiet zone on all sides. Scanner reliability depends on contrast, printing, surface, distance, and QR content as well as size.

QR print-to-scan cluster

Generate the payload, then proof the actual symbol geometry

A valid payload is only one layer. Compare the rendered QR's module count, raster detail and intended physical size before you commit to print, labels or distribution.

Scan a QR Plan print size Check quiet zone

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Standards and assignment boundary

Use the exact symbology required by the receiving system. WebToolArc can validate supported syntax and check digits, but it does not allocate GS1 identifiers, certify regulated documents, or guarantee acceptance by a particular scanner, retailer, carrier, or institution.

Module geometry

Final physical size is the symbol modules plus quiet zone multiplied by physical module size. DPI affects raster pixel requirements; scanner reliability also depends on contrast, focus, material, and distance.