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What is the minimum size of a QR Code?

Learn how to choose the best size for your QR Code

The minimum size of a QR Code for it to be read correctly is 1" or 2 to 3cm.

Here is a formula that will help you choose the best size:

Scanning distance / 10 = Minimum QR Code size

(as long as this number is not lower than 1" or 2 to 3cm)

For example, if your visitors will be 40" or 100cm away, the size of your QR Code should be 4" or 10cm.

NOTE: We strongly recommend scanning one printed version of the QR Code in its required size before publishing it, using whichever mobile device/QR Code reader you have at your disposal.