Question
How big should a LinkedIn QR code be on a business card?
Answer
A QR code needs enough size and clear space to scan reliably, especially on older phone cameras. On a standard 3.5 x 2 inch card, keep it at least 0.75 inches square.
- Minimum size: 0.75 inches square.
- Quiet zone: at least 0.1 inches of blank space on all sides.
- Test the printed code with several phones before ordering a full run.
- Avoid placing the code over busy backgrounds that reduce contrast.
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