Print Dimensions & DPI Formula
QR Code Print Size Calculator
Calculate exact pixel requirements, individual module dot sizes, and maximum reliable scanning distances for physical print production.
QR Code Print Dimensions & DPI Calculator
Calculate exact pixel dimensions, individual dot sizes, and maximum reliable scanning distances.
Estimated Print Specifications
Required Pixels
472 px
Module Dot Size
1.21 mm
Physical Size
40 mm (1.6")
Max Scan Distance
~0.4 m (1 ft)
Module size is in a practical range for handheld scanning at close range. Still test the actual print.
The 10:1 Distance-to-Size Scanning Ratio
As a reliable rule of thumb, the minimum physical width of your QR code should be approximately 1/10th of the expected scanning distance.
Business CardsDistance: 20 cm
Min Width: 20 mm (0.8")
Table Tents & MenusDistance: 40 cm
Min Width: 40 mm (1.6")
Posters & FlyersDistance: 1.5 m
Min Width: 15 cm (6")
Outdoor BillboardsDistance: 10 m
Min Width: 1 m (39")