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Qr code

What is the Best Size for a QR Code?

October 27, 2024
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Whether you're in retail, real estate, marketing, or event management—QR codes have become a key tool for seamless engagement. However, choosing the right size for a QR code is a challenge many businesses face. A QR code that’s too small might be hard to scan, while one that’s too large could take up unnecessary space. Industries like retailers might use them for product packaging, real estate agents for virtual property tours, and marketers for digital campaigns. Finding the right balance is crucial to ensuring these codes are scannable and effective. But, how big should they be? And how many possible QR codes are there to fit all these varying needs?

Let’s find out how to size QR codes for maximum performance in any business context.

What size a qr code should be

When considering the qr code dimensions, the minimum size for a QR code is 2 x 2 cm (0.8 x 0.8 inches). However, you can make your QR code as large as needed, as long as the image quality remains high. High-resolution images prevent the pixels from getting blurry, ensuring smooth scanning.

Generally, businesses should base their decision on where the QR code will be placed and how far people will be when scanning it. For example, a QR code on a business card should be smaller, while one on a billboard should be significantly larger to accommodate the distance.

qr code size billboard vs business cards

How many pixels a qr code should have

The qr code size in pixels will determine how crisp and clear your code appears. As a rule of thumb, the minimum pixel ratio for a QR code should be 38 x 38 pixels. This is a good starting point for codes that will be scanned up close. If the QR code is intended for larger prints or will be scanned from a distance, a higher resolution is required to maintain scannability

Do We Really Need to Consider the Size of the QR Code?

Absolutely! QR code size directly affects how easy it is to scan. Choosing the wrong size can lead to missed opportunities for engagement. If the code is too small, it might be hard to scan; too large, and it might take up unnecessary space. A QR code dimensions guide will help you avoid errors in sizing and ensure optimal interaction with your audience.

How Big Does a QR Code Need to Be for Printing?

The ideal size of a QR code for printing depends on where it will be displayed. For example, for how large a qr code needs to be on a billboard, it’s recommended to maintain a ratio of 1:10 between the size of the code and the distance at which it will be scanned. For instance, if your QR code is placed 10 meters away, it should be at least 1 meter wide for optimal scannability.

maximun size qr code

How Small Can a QR Code Be?

The smallest size for a QR code that can still be scanned is 2 x 2 cm. However, this is only feasible for short distances, such as codes on business cards or product packaging. The qr code minimum size varies depending on the amount of data encoded and where the QR code will be used, but keeping it above 2 x 2 cm ensures better scanning results.

minimun qr code size

QR Code Minimum Size in 2024

As we move into 2024, QR codes continue to evolve with new technologies and creative designs. It’s important to know the qr code minimum size requirements for different use cases to ensure they remain scannable across various platforms and devices.

Micro QR Code

For those tight on space, a micro QR code offers a compact alternative. These codes can be as small as 11 x 11 modules, making them ideal for small products or spaces where traditional QR codes wouldn’t fit.

Micro QR Code

Ideal QR Code Size for a Business Card

The ideal qr code size for a business card is around 0.8 x 0.8 inches. It’s small enough to fit within the design but large enough to be scanned easily. Ensuring a high-resolution image and a clean design is crucial for business cards since people will likely scan the code up close.

qr code size business card

QR Code Shapes

A common misconception is that QR codes must always be square. However, can QR codes be different shapes? Yes, they can! By using creative templates, businesses can design qr code shapes like circles or rectangles, offering flexibility in design while maintaining the scannability of the functional code.

Square QR Codes

Traditional QR codes are square because it’s the most efficient shape for encoding data. But do QR codes have to be square? Technically, no. However, the square format is the most reliable when it comes to ensuring the modules are accurately read by scanners.

Rectangle QR Codes

Rectangular QR codes are less common but can be used in specific scenarios, such as fitting into narrow spaces on product packaging. This type of code, known as an iQR code, provides more flexibility in design but must be carefully tested to ensure scannability.

Circle QR Codes

Circle QR codes are a creative option for brands looking to stand out. While the functional parts of the QR code are still arranged in a square, the outer design can take a circular shape, offering a unique visual element.

qr code shape

FAQs

Why Are QR Codes Typically Black and White?

The traditional black and white color scheme provides the best contrast, making it easier for scanners to read the code. However, brands are free to use color variations, as long as the contrast is high enough for the code to be scannable.

Is a White Background Necessary for QR Codes?

QR codes do not necessarily need a white background, but there should be a high contrast between the code and the background for optimal scanning. Darker colors should be used for the code itself, and lighter colors for the background.

How Much Margin Should You Leave Around a QR Code?

A minimum of 0.25 inches of white space, known as the "quiet zone," should be maintained around the QR code. This ensures that the scanning software recognizes the entire code without interference from surrounding elements.

Frequently Asked Questions

If you are hesitating, do not worry - we are here to explain everything you might want to know. Let us help!

  • A digital business card, also known as an electronic business card or virtual business card, is a way to share and save contact information in real-time quickly. Beyond contact information they can be customized with different designs and interactive elements

  • You may include your contact information, as well as links to your social networks and communication channels, personalized links and buttons, and video content. You may also edit the colors of your card and add an avatar and a cover.

  • KADO includes a free tier version where you will be able to create your digital business card top to bottom, including links to socials, buttons and video content! Only color designs are part of the paying tiers.

  • Every KADO digital business card has a QR code attached to it, which you can find on your app, under the exchange screen; or under the web app profile.

  • There are many digital business card providers out there, but KADO offers many benefits:

    • KADO allows to integrate videos and personalized buttons and links, even under the free tier
    • KADO offers many integrations, even native, such as HubSpot, Salesforce and Dynamics
    • We allow to fully design your digital business cards, adding all your preferred colors and company logo
    • KADO is ready for enterprises with complex organizational structures.
  • All data is encrypted and firewalled in AWS with no public IP address, and we offer role based, access control within your firm. Plus we are SOC2 ceritfied and GDPR compliant.

  • Yes, KADO is designed for enterprises with multiple offices and teams. Contacts, notes and other information are easily shared or restricted across the organization. Finally, KADO has a beautiful admin UI for managing all aspects of the account.

  • Currently, NFC digital business cards are not publicly listed on the web, but you may request them on demand.

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