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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.

Can I Use My Apple Wallet Business Card on All Devices?

Yes, your Apple Business Card is compatible with iPhones, Apple Watches, and other Apple devices. You can also share it digitally with non-Apple users.

Frequently Asked Questions

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

  • What is a digital business card?

    A digital business card is a modern and innovative way to exchanging contact information instantly via a scannable QR code, field communication NFC, or a simple link. Unlike paper cards, an NFC digital business card allows you to update contact information like your phone number or social media profiles in real time, add interactive business card features, and reduce your environmental impact with a custom nfc business card.

  • What can I include in my digital business card?

    Your electronic business card, should contain your full name, job title, company name, and essential contact information such as email and phone number. You can also add social media links to your social media profiles, communication channels like WhatsApp or Calendly, custom buttons, and even video content. With KADO, you can fully customize your smart business cards design, including colors, logos, and company branding for a custom nfc business card with advanced business card features.

  • Can I create a digital business card for free?

    Yes! KADO offers a free version that lets you create your card business cards from scratch, add links, and share your details digitally via a scannable QR code. The free plan includes basic features, while advanced customization options like color themes and premium integrations are available in the paid plans. You can create your digital business card for free here..

  • How to create a digital business card with QR code?

    Every KADO digital business card automatically includes a scannable QR code that can be scanned to instantly share your details. You can find your QR code in the app, under the "Exchange" section, or access it through your web profile. For more information on how to create business cards online, visit our website. Every KADO NFC digital business card automatically includes a scannable QR code that can be scanned to instantly exchanging contact information. You can find your QR code in the smart business cards app, under the "Exchange" section, or access it through your web profile. For more information on how to create best nfc business cards online, visit our website.

  • What is the best digital business card app?

    There are many options, but KADO stands out due to its unique features and enterprise capabilities:

    • It supports video, personalized buttons, and links—even in the free tier.
    • It integrates natively with HubSpot, Salesforce, and Microsoft Dynamics for seamless contact management.
    • It offers full design customization, including colors, logos, and company branding.
    • It is built for enterprises, offering advanced security, role-based access control, and an admin dashboard for managing team-wide digital business cards.

  • Is my data safe with KADO?

    Absolutely. KADO ensures maximum security by using encrypted cloud storage, role-based access control, and eliminating public IPs that could compromise your data and contact information.

  • Is KADO suitable for businesses?

    Yes! KADO is designed to scale for businesses of all sizes, offering centralized contact management, company-wide card digital business card distribution, and role-based permissions to protect sensitive company data

  • How to create an NFC business card?

    KADO offers NFC-enabled digital business cards that allow you to share your details by simply holding the code business card up to a compatible smartphone. Unlike traditional business cards, these eliminate the need to scan the QR code or manually enter contact information. You can request your NFC business card directly on our website. KADO offers NFC digital business cards that allow you to exchange contact information by simply tapping the card with an NFC chip up to a compatible smartphone, such as an Android phone. Unlike paper cards, these best NFC business cards that eliminate the need to scan the QR code or manually enter contact information. You can request your custom nfc business card directly on our website, leveraging nfc technology for seamless business card features.

  • Do I need an app to use KADO?

    No, KADO works perfectly on mobile and desktop browsers, allowing you to share your virtual business card without downloading an app. However, for advanced features, KADO’s digital business card app lets you save your card QR code in a digital wallet, quickly access your created QR code, and share your details even without an internet connection.

  • How can I share my KADO digital business card?

    You can share your KADO digital business card in a variety of ways, making it easy to connect with others. The most common methods include showing the QR code for scanning, sharing your unique link via email or text, or using an NFC card. The main advantage is that the recipient does not need an app to receive or save your contact information.

  • Does KADO integrate with my CRM?

    Yes, KADO offers CRM integrations to improve your workflow. KADO CRM integrations include HubSpot, Salesforce, and Microsoft Dynamics, allowing for automatic contact syncing and interaction tracking.

  • Can I use my KADO digital business card without an internet connection?

    Yes! If you have saved your digital business cards saved in your mobile wallet or as a widget on your device, you can still share your information via QR code even without an internet connection. This allows you to always be ready to network, whether you are at an event, or not.

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