QR Code Size Guide: Best Dimensions for Scanning & Printing

Ever wonder how small a QR code can be before it stops working? In this guide, we’ll explain the minimum QR code size for reliable scanning, best practices for printing, and real-world examples like business cards, posters, and packaging. Plus, learn how to create a digital business card with a QR code for easy networking!

QR Code Minimum Size: How Small Can It Be?

A standard QR code can be as small as 1 x 1 cm (0.4 x 0.4 inches), but that’s not ideal for practical use. Scanning reliability depends on several factors, including:

• Scanning Distance: The farther away the scanner, the larger the QR code should be.
• Data Density: The more data in the QR code, the bigger it needs to be.
• Print Quality: Small QR codes need high-resolution printing (300 DPI or vector format).
• Contrast & Colors: Dark QR codes on a light background work best.

For everyday use, a safe minimum QR code size is 2 cm x 2 cm (0.8 inches), ensuring most smartphones can scan it.

QR Code Size for Print: Best Practices

When printing a QR code, size matters! Use these guidelines:

• Business Cards: At least 0.8–1 inch (2–2.5 cm) for quick scanning.
• Flyers & Posters: At least 2–6 inches (5–15 cm) for mid-range scanning.
• Billboards & Large Signs: Follow the 10:1 rule (for every 10 feet of distance, the QR code should be at least 1 foot wide).

Always test the QR code with multiple devices before printing to ensure scannability.

QR Code Size vs. Scanning Distance Chart

What Size Should a QR Code Be?

To ensure easy scanning, follow these general guidelines:

• Use the 10:1 rule:
• Go bigger if unsure:
• Keep it square:
• Use high resolution:

Create Your Digital Business Card with a QR Code

Want an easy way to share your contact info? Create a digital business card with a QR code! Instead of handing out paper cards, generate a QR code that links to your contact details, portfolio, or website.

Simply scan, save, and share—no typing needed! Get started today and make networking effortless.

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