Guide
QR Code Size Guide: Minimum Sizes for Print
Learn the optimal QR code sizes for every print format and scanning distance.
1
Understand the 10:1 Rule
The scanning distance is roughly 10x the QR code size. A 3cm code scans from 30cm.
2
Business Cards: 2cm+
Minimum 2cm x 2cm for close-range scanning of business cards.
3
Flyers & Posters: 3-5cm
3cm minimum for flyers, 5cm+ for posters viewed from arm's length.
4
Billboards: 30cm+
For large-format signage, scale to at least 30cm for scanning from several meters.
5
Always Test
Print a test copy and verify scannability from the expected viewing distance.