Print reliability guide
QR Code Print Size Guide
Print size depends on scanning distance, QR density, contrast, material, lighting, and camera quality. A common starting point is a scanning-distance-to-code-width ratio near 10:1, followed by real-world testing.
What matters most
- Start near 25 mm or 1 inch for close-range printed material.
- Increase size for dense payloads, distant scanning, or challenging surfaces.
- Always test the final production proof, not only the screen preview.
Recommended workflow
- Measure the expected scanning distance.
- Choose a conservative code width and preserve the quiet zone.
- Print a proof and test across devices, angles, and lighting conditions.
Questions and answers
What is the minimum QR code size?
There is no single safe minimum for every design. About 25 mm or 1 inch is a common close-range starting point, not a guarantee.
Does a larger QR code always scan better?
Larger usually helps, but poor contrast, glare, distortion, damage, or missing quiet space can still cause failure.