How big should QR codes be displayed on screens or printed?

Modified on Mon, 02 Nov 2020 at 06:00 PM


On Screen Display

Minimum 150 pixels by 150 pixels for a screen at 72dpi.

Larger is better.


Print

Minimum 1.2x1.2 inches (3cm) or larger.

If you print the QR code too small, it may become unreadable for some devices.



Know the Scanning Distance

The ultimate size depends on the user's scanning distance. As a rule of thumb, divide the scanning distance (in inches) by 10 to determine your print size. For example, if you expect users to scan from a distance of 3 feet = 36 inches = divided by 10 the QR code size should be 3.6 inches width and height (about 100 cm, so the code should be 10cm in width and height). 





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