QR code size calculator
The most common QR mistake is printing too small. Enter how far away people will scan from, and we'll tell you the minimum size that scans reliably.
How far away will people scan from?
Longer data means denser codes that need to be printed larger.
Print your code at least
13.2 cm
= 132 mm = 5.2 in per side
- QR version for your data
- 2 (25×25 modules)
- Includes quiet zone
- 4 modules each side
- Print resolution
- 300 DPI or higher
Rule of thumb: side ≥ distance ÷ 10, adjusted for module density. Low light, glare, or curved surfaces? Add 25–50%.