QR Code Size Calculator
Calculate the optimal print size for QR codes based on scanning distance.
Scanning Parameters
Recommended Size
5.0 cm × 5.0 cm
(2.0" × 2.0")
Minimum module size: 6px (digital)
Recommended DPI: 300
Formula: distance ÷ 10 = minimum QR size (1:10 ratio)
Preview at 5.0 cm
Example: 50cm distance → 5.0cm minimum
Related Tools
Frequently Asked Questions
At least 2cm x 2cm for close-range scanning. Larger for greater distances.