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
Scanning Distance | Recommended QR Code Size |
|---|---|
Up to 8 inches (20 cm) | 0.8 inch (2 cm) |
1 foot (30 cm) | 1.2 inches (3 cm) |
3 feet (1 meter) | 4 inches (10 cm) |
5–6 feet (1.5–1.8 meters) | 6 inches (15 cm) |
10 feet (3 meters) | 12 inches (30 cm) |
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.
