Qr code minimum size pixels 8 inches) is the accepted minimum QR code size. This will give you a 21x21 pixel (version 1) standard QR code. 2” to ensure a 12” scan distance. The QR Code symbol area requires a margin or "quiet zone" around it to be used. Jan 11, 2025 · "Discover QR Code max size and how to scale them effectively without compromising scannability. They allow anyone quick access to information, simply by scanning a code with their smartphone. com" encoded Set the QR Code image width to 200 pixels. 1 module is the smallest single pixel element in the QR Code. Oct 2, 2013 · For my PC/Mac/Linux website, is there a recommended pixel size for a QR code aimed at people with iPhone/Android phone readers? I'll be using the QR code ver 2 with Q redundancy. 4 inches). 5 cm), and for digital, 150 x 150 Feb 24, 2025 · Learn how to calculate the ideal size of a QR Code, how big a QR Code can be, and the best QR Code size for different use cases. Test the QR code before printing: Before printing a large number of QR codes, make sure to test the code's scanability using a smartphone or QR code scanner. Apr 4, 2025 · Discover the maximum and minimum sizes for a QR code and how big it needs to be for optimal scanning. Calculate the optimal QR code print size for your marketing materials based on scan distance and QR complexity. 2 x 1. On the other hand, a dynamic QR Code should be printed at least at 2 centimeters (0. You must leave 4 modules of free space above the specified size, that is, around your QR Code. This size ensures users can scan the code from screens of different sizes without trouble. If you are using the grouped view, expand the Unclassified group. QR Code Minimum Size: How Small Can a QR Code Be? Summary: this article will introduce the QR Code minimum size for you, and help you quickly learn about the sizes and pixels of a QR Code. Sep 2, 2022 · Display size and scannability Your QR code needs to be of the right size. Oct 27, 2024 · 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. Discover their main benefits, limitations, use cases, and how they differ from traditional QR codes. Learn the factors influencing size and design limits. It should be just large enough for a smartphone to be able to scan it easily. Nov 23, 2011 · In my previous post, What Size Should A Printed QR Code Be, I mentioned that it wasn’t the size of the QR code image that determined the minimum size at which a QR code could be scanned, it was actually the size of the modules (the little black squares) that make up the QR code image. So if you want to scan a QR Code from 10 meters (390″), the size of the QR Code should be 1 square meter (39″). The minimum recommended pixel ratio is 38 x 38px, and the absolute minimum size is 1 x 1cm (0. If the size […] One can’t determine an accurate minimum printing size for a static QR Code because static QR Codes can contain a variable amount of data. Consult with a printing expert When determining your needs, it is crucial to consider all factors – not just the barcode itself. DPI requirements, resolution guidelines, and sizing charts for business cards, posters, billboards, and more. Jul 8, 2025 · Find the perfect QR code size with our comprehensive guide and dimension chart for creating QR codes of any size for your business needs. 8 inches or approximately 75 x 75 pixels), especially when the code contains a lot of information or when it needs to be scanned from a distance. , websites, social media), aim for a minimum resolution of 76 pixels per 1cm. For example, if your customers will be 40" or 100cm away, your QR code’s size should be 4" or 10cm. 17mm. For digital display, the pixel size of the QR Code should be at least 150 x 150 pixels. Make sure the code is at least 1 x 1 inch in size and has a resolution of 300 dpi or higher. Jul 10, 2025 · Discover the ideal minimum QR code size for print and digital use. Maintain a 10:1 size-to-distance ratio. Or if you print a QR Code on a post card, the user will scan the QR Code from a distance close to 15cm (5. What size should a QR code be? The size depends on the application, but generally, 1 x 1 inch (2. Learn sizing rules, scan distance tips, and see examples. Read our data matrix dimension guide here to learn more! The smallest effective pixel size for a QR code is 38 x 38 pixels, which equates to about 1 cm x 1 cm. So, maintain a minimum size of at least 2×2 cm (240×240 pixels). Dec 29, 2024 · This article covers all essential QR Code guidelines, with design tips, printing best practices, size requirements, and how to use them effectively. NET web and Windows applications. Decoding QR Code Size: Minimum and Maximum Dimensions for Optimal Scanning Quick Response (QR) codes, those ubiquitous black-and-white square symbols, seamlessly provide instant access to digital information with a simple smartphone scan. Learn more. This will ensure that the code is readable and scannable at the desired size. To print a QR code at the minimum size of the QR code, users need to select the 1x1 size during the printing process after creating it. The margin is a clear area around a symbol where nothing is printed. But, creating an efficient code this small requires careful consideration of various factors: May 15, 2025 · Determining the idel size is crucial for your marketing campaigns. Aug 1, 2023 · This effectively limits you to 18 alphanumeric characters or 10 non-alphanumeric characters. Call method drawBarcode () to generate and print QR Code image file with specified Apr 28, 2024 · General Rule: 10:1 Ratio As a general rule, there’s a relationship between scanning distance and QR code size: 10:1. Includes the 10:1 distance formula, minimum dimensions, and sizing for business cards, posters & billboards. To Set the Minimum Width and/or Height If the original QR code is smaller than the minimum width or height that is set, it will be enlarged so that it reaches the minimum value. Feb 26, 2025 · QR Codes need to be a minimum size of 2 x 2 centimeters to successfully scan them. Nov 27, 2024 · Learn the ideal size for QR codes to ensure maximum readability and effectiveness. The QR code minimum size can be as little as 1 cm x 1 cm, corresponding to 10 mm x 10 mm, 0. To ensure scannability on most smartphones, the QR code must be at least 2 x 2cm (0. These formats ensure the QR code remains sharp and clear, regardless of size. Learn the right QR code size for any use case. Jul 8, 2025 · Learn about the size requirements for QR codes and find out if there is a minimum size that they need to be. 5 cm), and most cell phones can easily read it without any problems. But when creating a QR code, one of the most important factors to consider is the QR code size. Learn how to optimize size for perfect scanning and maximize QR code performance. So, unless your QR code is extremely complex and you can’t print high-resolution images, stick with a 2 centimeter minimum and 10:1 distance to size ratio when printing or Feb 15, 2023 · As a general rule, the minimum pixel size of a QR code should be at least 38 × 38 pixels. Print Quality Blurry or pixelated QR codes often fail to scan correctly. May 29, 2024 · 1. Jun 20, 2024 · The minimum size for a QR code is 1x1 centimeters (0. Minimum digital QR code size 240 pixels at 72 dpi Since many digital QR codes are incorporated into signage, keep in mind that the minimum code size will need to increase depending on the distance between the code and the person scanning. However, this size isn’t scannable on all phones, so making the size at least 2 x 2cm (0. Therefore, experts agreed on the QR code minimum size for print: it’s 1x1 cm, and not a millimeter less. That’s 10 mm x 10 mm, and 38 pixels x 38 pixels. Mar 8, 2025 · Discover the best QR code size for scanning and printing, plus expert tips, minimums, and how to make a digital business card with a QR code. Jan 13, 2025 · If the code is not readable, adjust your printer settings or try printing on a different type of paper. Their convenience has changed the way we access menus, make transactions, and more. anyone here know how to generate a qr code that's 16x16 pixels or smaller? Nov 13, 2024 · Discover the perfect QR code size and dimensions for optimal readability. For most smartphones the relationship between scan distance and minimum QR code size is approximately 10:1 so a 2. 59″). Go bigger than the minimum. The signage section below, which includes digital and print, addresses the Nov 22, 2024 · The smallest effective pixel size for a QR code is 38 x 38 pixels, which equates to about 1 cm x 1 cm. Avoid the blur issue and make your QR code work on cards, receipts, and signs! Nov 1, 2022 · Conclusion Getting your QR code minimum size right is of utmost importance because it increases the odds of converting every scan. This guide covers the ideal size, format, material, and scanning distance for various use cases, including product packaging, posters, and signage. Since this type can encode data more efficiently than the regular QR Code, its size does not have to be made much larger as the amount of data stored increases, unlike the case with the regular code (see figure on the right). The minimum density for linear and 2D symbologies theoretically is equal, but in practice, decoding values vary. The version number can be important to know as it can impact the minimum size needed for a QR code to be scanned easily (see the calculator). This is the smallest size at which a QR code can be generated and still be considered a valid QR code [1] [8]. However, for practical purposes, it's recommended to use larger sizes in certain situations. The minimum recommended resolution for QR codes on print materials is approximately 38 x 38 pixels. For example, if a QR Code symbol is printed with a 600 dpi, 4-dot printer, the module size is 0. It's also Learn optimal QR code sizes for printing at different distances. Aug 25, 2025 · How big should a QR Code be for printing? What is the smallest QR code size? There's no set size for QR codes, but they must be at least 2 centimeters wide by 2 centimeters long to be scanned by most modern devices. Practical tips for maximizing scannability included. 4x0. So, there are 40 sizes of QR Code in all and the size begins from 21 X 21 modules and up to 177 X 177 modules (not including quiet zone), increasing in steps of 4 modules per side. The recommended minimum size will depend on the printing medium. Learn How Small Can QR Codes Be While Maintaining Scannability. 8in) and its minimum pixel size must be at least 38 x 38 pixels. The table below shows barcodes in their minimum and maximum sizes based on the standards defined in GS1 General Specifications (note: depending on screen resolution, actual size below may differ from physical size) Barcode type Coded data Minimum size Maximum size GS1 DataMatrix GTIN GS1 DataMatrix GTIN, sell- by date, batch/lot nummer QR-kod GTIN If you don’t have the ability to print high-resolution, here’s a rule for QR code minimum size for large, complicated QR codes. Learn about QR code capacity, data limits, and ways to optimize for efficient scanning. Maximize your marketing strategy with our expert insights on QR code dimensions. 5 inches. Jul 8, 2025 · There are no specific size requirements for a QR code, but it should be large enough to be easily scanned by a mobile device. " Sep 25, 2024 · Today, QR codes are an essential tool for businesses and marketers. So, to determine your QR code minimum size, you need to apply a formula. This Tech Biref explains Pixels per module in barcode reading for manufacturing companies in Northern Illinois, Iowa and Southern Wisconsin. For the Honeywell 2D Gen. Oct 26, 2024 · Explore the best QR code sizes to ensure effective scanning and engagement. Jul 8, 2025 · The minimum size for a QR code is determined by the number of pixels needed to represent the data it contains. Following these guidelines will ensure your code is readable; however, you must always adjust the resolution based on the use case. Jun 16, 2020 · If your business requires 2D barcodes, data matrix codes, QR codes, or you need to print small labels; a higher resolution printer may be required to ensure successful scans and prevent misreads. 5 inches (3. Each version has a different module configuration or number of modules. To put this in perspective: Take every atom in the universe, and pretend it is itself an entire universe of comparable size. As a general guideline, a QR code should have at least 150 DPI for small codes (1 inch) and minimum dimensions of 0. There are 4 variations, M1 to M4, of this type of code. May 26, 2025 · For QR codes on websites or social media, aim for a resolution of 72 DPI with at least 240 by 240 pixels. Jun 20, 2024 · The minimum size for a QR code on a business card is typically 1 inch (2. 2" (50. Discover multiple use cases of different QR Code sizes. QR codes can be different sizes and must be adjusted based on the user’s needs. This article explores the best practices for optimizing QR code sizes 5 days ago · Wondering how small a QR code can be? I break down the minimum size limits, the 10:1 distance rule, and why data density matters for successful scanning. 5 mm) (Minimum size is 1 Mar 18, 2025 · The smallest effective pixel size for a QR code is 38 x 38 pixels, which equates to about 1 cm x 1 cm. For digital use, ensure a resolution of at least 240×240 pixels at 72 DPI. What are the minimal measurements of a QR-code, and what is the ideal size for a QR-code? The smallest effective pixel size for a QR code is 38 x 38 pixels, which equates to about 1 cm x 1 cm. Data matrix codes are required to conform to set dimensions in order to ensure scanning accuracy. The minimum size for a QR code is 2 x 2 cm (0. 17mm is required to read the symbol. In this guide Decoding QR Code Size: Minimum and Maximum Dimensions for Optimal Scanning Quick Response (QR) codes, those ubiquitous black-and-white square symbols, seamlessly provide instant access to digital information with a simple smartphone scan. 8 x 0. Learn more about the multiple use cases of high-resolution printing. Jun 17, 2025 · Physicists shatter records with the world’s smallest QR code, tiny enough to hide behind a dust particle. However, for better readability and to account for various scanning distances, a size of at least 1. Learn about QR code sizes and best practices to ensure readability. (10 160) For each atom in each of those universes, pretend each of The symbol versions of QR Code range from Version 1 to Version 40. In closing, while QR codes can be made quite small, practical limitations necessitate a minimum size to ensure reliable scanning across various devices. Learn the best dimensions, resolution, and quiet zone settings for reliable scans across print and digital. You can generate these on your own with these two Python commands. 8 inches (2 x 2 cm), equivalent to around 38 x 38 pixels. As per the ISO/IEC 18004-compliance, the smallest size of a QR Code is 1 x 1 cm, or 0. QR Code requires a four-module wide margin at all sides of a symbol. Sep 30, 2024 · A. Feb 12, 2025 · The minimum size for a printed QR Code should be at least 1 x 1 inch (2. Jul 8, 2025 · Learn about QR code sizing, scaling, resolution, and dimensions to optimize your QR code scanning experience. Can a QR code be too small to scan? Yes, if a QR code is too small, it might not be scannable by all devices due to limitations in camera resolution and focus. 4 x 0. (The module refers to the black and white dots that make up QR Code. A scanner resolution of less than 0. For every 5 rows and columns of your QR code, you can increase its size by about . But that is way too small to make sure the type of QR code you create to market your business and products. Learn more about the relation between QR Code size and scannability, resolutio requirements for QR Codes, etc. This size ensures your code’s sufficient visibility on the page without overwhelming the interface. 6 scan engine (N5600), the HD version can read with the highest resolution: - 3 mil for linear codes - 5 mil for 2D codes Aug 11, 2024 · 2. The Micro QR Code image width, W (measured in pixel), including quiet zone, can be calculated from the following expression: W = [ 8 + ( 2 V + 1) ] X + 2 Q W is equal to the value of Micro QR Code image height (H). 5 days ago · Wondering how small a QR code can be? I break down the minimum size limits, the 10:1 distance rule, and why data density matters for successful scanning. It’s also a good idea to check the QR code’s resolution and size before printing. Minimum Width: 0. Larger QR codes scan more easily, scan in poor conditions, and look "more scannable" to people. They can be created for any purpose–business or professional. However, Triton recommends keeping the QR code’s minimum resolution to 76 x 76 pixels for the best QR code scanning performance. 8 in) for dynamic codes and 3 x 3 cm (1. Design & Generate your QR Code with your color preferences, display logo on QR Code, customize QR Body Shape, Eye Frame & Eye Ball and download PNG, SVG, JPG or PDF Files. When printing QR codes on physical materials, high-quality printing methods should be used to maintain precision. 4 inches. May 27, 2025 · Screen resolution, viewing distance, and display brightness all impact optimal sizing. Apr 15, 2025 · What is the Pixel Size or Resolution of a QR Code? When creating a QR code for digital use (e. QR Code Implementation Best Practices: Size Recommendations, Placement Tips, Printing Specifications, Mobile Optimization, Testing Before Launch, Landing Page Design, and Effective Call to Action Examples Estimated reading time: 8 minutes Key Takeaways Proper QR code size is essential for easy scanning across different Jan 18, 2011 · If you have a QR code on the side of a building it needs to be very large because it’s going to be scanned from a long distance, however if it’s printed in a magazine then the scanning device is held quite close to it so it can be much smaller. Mar 1, 2023 · The minimum recommended size for a QR code is 2 cm x 2 cm, with a minimum printing resolution of 300 DPI. Each square in the code, known as a module, can be either black or white. May 29, 2024 · Discover why QR code size matters, ideal sizes for different applications, and tips for designing QR code sticker sizes. Aug 13, 2025 · For UPC-A barcodes, GS1 recommends a minimum width of 80% of the maximum (25. Learn pro tips for design, usage, and link optimization. 9 mm). This size is suitable for simple data, such as a URL, making it an ideal starting point. g. Imaginons que vous avez réalisé des QR codes personnalisés que vous souhaitez déployer dans le cadre d’une campagne de print. When creating a QR code for your business cards, we recommend you make them above the minimum starting point size. Jun 14, 2024 · 3. What is the default size of the QR code? There isn't a default size, but common practice for print is around 1 x 1 inch (2. Mar 25, 2024 · If your QR Code’s file isn’t the right size, the pixels will come out blurred, poorly affecting the code’s clarity and readability. 5×1. Here’s what you need to know. But what if space is at a premium? That brings us to the question: how big does a QR code need to be? 1. 5cm (1 inch) QR code printed in a Oct 12, 2022 · The minimum size for a QR code may be 2 x 2cm, but that doesn’t mean the minimum size is the right size for you. 47 inches (12 mm), excluding margin, if possible to ensure best performance. Il Feb 15, 2023 · However, Triton recommends keeping the QR code’s minimum resolution to 76 x 76 pixels for the best QR code scanning performance. Wondering how small a QR code can be? I break down the minimum size limits, the 10:1 distance rule, and why data density matters for successful scanning. For the vast majority of us relying on smartphone cameras, the minimum size for a QR code is considerably larger for reliable scanning. 8in) for print is advised. However, experts recommend sticking to a minimum size of 2 cm x 2 cm to ensure readability, which is equal to 76 x 76 pixels. Mar 18, 2025 · The smallest effective pixel size for a QR code is 38 x 38 pixels, which equates to about 1 cm x 1 cm. The more data encoded, the larger the code must be to maintain its readability and scanning accuracy. However, at this size, you're likely to Oct 26, 2024 · Explore the best QR code sizes to ensure effective scanning and engagement. Aug 30, 2023 · For digital applications, the following specification assumes a 1080p display. Ensure the QR code is printed clearly and has high contrast with its background. ‍ Recommend Width: However, increase the width to 0. May 13, 2025 · Printed QR codes made easy – learn the best practices for designing, sizing, and printing QR codes that scan flawlessly in real-world use. The actual size you need depends on the printing medium and the ideal scanning distance, so it’s important to follow established best practices for sizing and printing. Oct 4, 2022 · Rule of the thumb: the ratio between scanning distance and the QR Code size is 10:1. Still, optimizing the size of QR codes is an important part of this process. How small can a QR code be and still work? The size of a QR Code depends on where you’re planning to use it. Read Now! Oct 11, 2024 · However, there is a minimum size you should keep in mind when creating QR Codes, determined by the number of data points or modules within the code. For example, if you want to scan a QR code from 10 meters away (approximately 390 inches), the QR code’s size should be 1 square meter (approximately 39 inches). 7 meters) Jun 13, 2025 · QR codes offer various advantages, starting with the easy shareability of large amounts of data. 2 1000 = ~10 300 unique QR codes. 5 x 2. The minimum resolution for a reliably scannable QR code depends on its size and complexity. Oct 17, 2024 · The minimum recommended size for a QR code on a business card is 0. Making the QR code too small might cause several issues, like it being undetectable, decoded incorrectly, or scanned with difficulty. Whether you're printing for indoor menus or outdoor billboards, you'll find practical tips to avoid common mistakes and ensure your QR Codes are easy to scan in any setting. Apr 24, 2024 · Lorsque vous souhaitez exploiter un QR code sur un support physique, déterminer la taille de votre QR code peut parfois être compliqué. Free professional QR code size calculator tool. Oct 21, 2025 · Trace the complete journey of QR Code high-resolution printing, right from creation, and design, to printing and implementation. Apr 2, 2025 · Learn the ideal size for your QR codes powered by GS1 to ensure optimal scanning performance. Aug 18, 2020 · Discover The Minimum QR Code Size Requirements For Business Cards, Billboards, Packaging & More. QR Code image has 40 Versions, ranging from Version 1 to Version 40. When the symbol version and module size are determined, the size of the QR Code symbol is determined. 35 numerals). Each higher version We would like to show you a description here but the site won’t allow us. 8 x 30. Discover the factors that determine QR code size and how to meet GS1 standards for maximum readability. Oct 15, 2025 · QR codes can technically be incredibly small, in fact, as tiny as 1 cm x 1 cm (0. For print applications, such as QR codes on packaging or in magazines, use the following specifications. Two QR codes for the same URL. The part from the top two eye border should be considered as size, as shown in the pic below. 4 inches), but the recommended size for a QR code is 2x2 cm (0,8 x 0,8 inches). If the original QR code is larger than the minimum width or height, it will not be resized. Applying the rule the QR Code may have a minimum size of 15mm (0. Though there is no standard QR code size, 2 x 2 cm (0. The maximum amount of Jul 4, 2022 · Usually, the minimum printable size for the QR code is 12mm x 12mm, with a preferred 76 dpi. See full list on sproutqr. However, the only way to leverage QR codes' many benefits is by designing codes that are easily visible and scannable. Small printing in the limited area with a higher head density printer can be useless if the reading limit of the scanner Mar 14, 2024 · A QR code requires a minimum size of 2x2 cm, equal to roughly 76x76 pixels. Jul 31, 2025 · QR code data size determines how much data a QR code can hold. 54 cm) on each side. onbarcode. 5cm (1 inch) QR code printed in a Jan 18, 2011 · If you have a QR code on the side of a building it needs to be very large because it’s going to be scanned from a long distance, however if it’s printed in a magazine then the scanning device is held quite close to it so it can be much smaller. If your QR code gets pixelated or blurred, mobile devices might find it challenging to scan. Aug 6, 2025 · Discover the minimum size for a QR code, why it matters, and how to optimize it for print, digital, and scanning accuracy. A very small QR-code on the back of packaging for extra information, or an enormous QR-code on a billboard so it can be scanned from far away. 5 cm) is the minimum for print and 150 x 150 pixels for digital media. Learn about micro QR codes and the technology behind them. Sep 8, 2023 · Uncover the essentials of QR code sizes with our comprehensive guide. Jul 31, 2024 · What is the minimum size for a QR code? The minimum size for a QR code is generally 2 cm x 2 cm (0. 4 inches x 0. Each scanner has its own readable module size limit. For 2D symbols, more pixels are needed per element. QR Code image height will be automatically the same as image width. 9″). The smallest effective pixel size for a QR code is 38 x 38 pixels, which equates to about 1 cm x 1 cm. It's also The recommended minimum QR code print size will depend on your use case. com Oct 28, 2025 · Find the right QR Code size for every use case. The standard QR code is 33*33 pixels, giving us around 1000, subtracting some for the set of invariable squares. But a QR code's effectiveness isn't just about what it holds. Minimum Size for QR Code As for QR code minimum size, it is 1 cm x 1 cm (or roughly 0. Formatting requirements If you upload your own cover and choose to provide your own barcode, it must meet these requirements: Image quality: Vector images* are preferred Rasterized images** should be 300 PPI (pixels per inch) Barcode is sharp and clear (not blurry or pixelated) 100% black (not RGB/CMYK color or registration black) Suggested size is 2" x 1. Nov 4, 2025 · Learn how to print QR Codes correctly so every scan works. Custom QR Codes Jul 26, 2024 · The QR code size can vary, but it's crucial to ensure that it is large enough to be easily scanned by a smartphone or other QR code reader. It will ensure their effectiveness in print as well as in digital media. . For 2D codes like QR, a size of 10 mm x 10 mm is often the smallest usable size with high-resolution printing and quality scanners. Create a new QRCode object with data message "https://www. Jul 31, 2015 · Planning on adding a QR Code on your business card? See how to calculate the right QR Code size on your business card for good scannability. 4 inches, and 38 pixels x 38 pixels. The table below provides recommendations for QR code sizes based on typical scanning The best resolution for a digital QR code is 240 x 240 pixels. This is because 1 centimetre corresponds to approximately 38 pixels, and the optimal QR code size should be 2 x 2 cm, which translates to 76 by 76 pixels. QR-codes come in many different forms and sizes. 8 inches) – anything smaller risks being unreadable. Voici un guide simple et détaillé pour vous aider à bien les dimensionner sur vos supports de communication physique. Feb 22, 2025 · Learn the minimum QR code size for printing, scanning, and display. For websites or mobile apps, ensure QR codes maintain crisp edges at different screen densities by using vector formats when possible. Can shrinking a barcode affect its readability by scanners? Yes, reducing barcode size can lead to scanning failures. Strategic QR Code Placement Techniques Smart QR code placement considers both physical accessibility and user behavior patterns. However, there is no standard size for QR codes which means that you need to determine it according to your needs. 4in). what would be the minimum screen size to display lightning invoices as a qr-code? For the Raspberry Pi Zero I found these displays: 128x128 pixel LCD display (1. The correct QR code size for a website or email is approximately 150×150 pixels, equal to about 4×4 centimeters and 1. The amount of data that can be stored in a Micro QR Code is not so large (max. Learn to create QR codes with a free QR code generator. Codes with higher version numbers are more complex and need to be larger. ) "Module configuration" refers to the number of modules contained in a symbol, commencing with Version 1 (21 × 21 modules) up to Version 40 (177 × 177 modules). 5 days ago · Wondering how small a QR code can be? I break down the minimum size limits, the 10:1 distance rule, and why data density matters for successful scanning. A smartphone camera with a good resolution can easily read such a code. The minimum pixel size for a QR code is 21x21 pixels, as specified by the QR code standard ISO/IEC 18004:2006. QR codes (Quick Response codes) have become a popular tool for businesses, marketers, and everyday users to access information quickly using their smartphones. Explore this marvel of nanotechnology! You can easily generate QR Code with target image width and height using C# in ASP. 8 inches) square to maintain reasonable scannability and sanctity. There are around 10 80 atoms in the observable universe. 2 in) for static codes. This size ensures that the QR code is scannable by most devices, especially when viewed from a close distance, such as on business cards or product packaging. For instance, a QR code that’s 1 inch wide should be scannable from 10 inches away. Jun 18, 2025 · The QR code can be printed as small as 1 x 1 cm, but for compatibility with most smartphones, it is recommended to have a minimum size of 2 x 2 cm for the QR code label to ensure reliable scanning. To avoid this issue, it is essential to use high-resolution vector file formats such as SVG or EPS. Scanning Distance; 7 meters / 10 = Side Length 70 cm (0. Discover the key factors affecting QR code size and practical tips for choosing the right dimensions. But that isn’t the only consideration. (A s long as this number is not lower than 0,4 inches or 1cm). The optimal size of a QR code will depend on many factors unique to your situation. So, what is the minimum size for a QR code for print and digital QR codes on a business card should have a pixel resolution of about 38 x 38 px for this size. And that starts by picking the right size QR code. 4 inches (10 mm), excluding margin, is the minimum size for scanning standard, ISO 18004-compliant QR codes. 8 cm) per side is recommended. So, make sure to adjust the QR code size The minimum recommended size for a QR code is 2 x 2 cm (about 0. 8 inches). Always remember to test your QR code before printing it. The scanner resolution represents this limit. 44 inch) 200x200 pixel e-paper/e-Ink Here is a formula to help you choose the best size: Scanning distance / 10 = Minimum QR code size. The smallest size read by mid to high-end phones (minimum for marketing) - details. Whether it's for a website link, payment options, or promotional offers, QR codes make sharing information fast and efficient. 4 inches (10 x 10mm). 2. Using uppercase takes 21x21 pixels (left) while lowercase takes 25x25 pixels (right). However, a good rule of thumb is 2 x 2 cm (0.