QR scanning distance chart
Updated 2026-05-27
QR scan reliability scales with printed module size and distance.
Distance chart
Use as a starting baseline and field-test before rollout.
| Placement | Behavior | Starting width |
|---|---|---|
| Receipt | Held close | 20-30 mm |
| UPI counter | Over counter | 30-45 mm |
| Table menu | Seated scan | 45-70 mm |
| Wall poster | Standing scan | 100-160 mm |
FAQ
- Can one size fit all?
- No, test per distance, material, and lighting.