{"id":20276,"date":"2024-07-03T06:10:35","date_gmt":"2024-07-03T06:10:35","guid":{"rendered":"https:\/\/www.mooninvoice.com\/blog\/?p=20276"},"modified":"2026-04-29T10:16:06","modified_gmt":"2026-04-29T10:16:06","slug":"how-do-barcodes-work","status":"publish","type":"post","link":"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/","title":{"rendered":"How Do Barcodes Work? Get the Complete Guide on Barcode System"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_11 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Is_a_Barcode\" title=\"What Is a Barcode?\">What Is a Barcode?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#Key_Points_About_Barcodes\" title=\"Key Points About Barcodes\">Key Points About Barcodes<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#Component_of_Barcodes\" title=\"Component of Barcodes\">Component of Barcodes<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Is_a_Barcode_Scanner\" title=\"What Is a Barcode Scanner?\">What Is a Barcode Scanner?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#How_Do_Barcodes_Work\" title=\"How Do Barcodes Work?\">How Do Barcodes Work?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Are_Barcodes_Used_For\" title=\"What Are Barcodes Used For?\">What Are Barcodes Used For?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_are_the_Types_of_Barcodes\" title=\"What are the Types of Barcodes?\">What are the Types of Barcodes?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Is_the_Importance_of_Barcodes\" title=\"What Is the Importance of Barcodes?\">What Is the Importance of Barcodes?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#The_Future_of_Barcoding\" title=\"The Future of Barcoding\">The Future of Barcoding<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Is_a_UPC\" title=\"What Is a UPC?\">What Is a UPC?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Is_the_Purpose_of_a_UPC\" title=\"What Is the Purpose of a UPC?\">What Is the Purpose of a UPC?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#What_Are_the_Benefits_of_UPCs\" title=\"What Are the Benefits of UPCs?\">What Are the Benefits of UPCs?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#Difference_Between_UPCs_and_SKUs\" title=\"Difference Between UPCs and SKUs\">Difference Between UPCs and SKUs<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#FAQs\" title=\"FAQs\">FAQs<\/a><\/li><\/ul><\/nav><\/div>\n<p><script type=\"application\/ld+json\">\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Can two products have the same barcode?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Every product has a unique barcode, so it is not possible to have the same barcode for two products.\"\n        }\n      }, {\n        \"@type\": \"Question\",\n        \"name\": \"How to decode a barcode?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Barcode decoding is possible with the use of a specific device known as a barcode scanner. The smartphone camera is also useful for decoding barcodes.\"\n        }\n      }, {\n        \"@type\": \"Question\",\n        \"name\": \"How does a barcode hold information?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Barcodes are a combination of black and white spaces. The information is stored well in these spaces and represents the information that relays to the computer or mobile source. They store information using symbols that vary from line to dot.\"\n        }\n      }, {\n        \"@type\": \"Question\",\n        \"name\": \"Is it possible to generate barcodes? If yes, then how?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, barcode generation is possible. There are various tools to generate barcodes. In general, you need to submit the data for which you want a barcode. Once you submit the data, you will get a barcode.\"\n        }\n      }, {\n        \"@type\": \"Question\",\n        \"name\": \"What is standard barcode encoding in retail?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Retail barcodes have UPC (Universal Product Code) and EAN (International Article Number) as standard encoding for retail barcodes. EAN is useful at the international level, but UPC is limited to North America.\"\n        }\n      }, {\n        \"@type\": \"Question\",\n        \"name\": \"How do barcodes work mathematically?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The barcode mathematical concept is based on the listed approach - <\/p>\n<p>Starting with the first digit, make a sum of all the odd position numbers\nNow multiply this sum by 3 \nMake a sum of all the even numbers and add it to the above result \nThe smallest number is modulo 10\nAdd this number to the sum to produce the multiple of 10\"\n        }\n      }, {\n        \"@type\": \"Question\",\n        \"name\": \"Can I create my own barcode?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, you can generate your own barcode using online barcode generating tools. To get the exact required barcode you need to submit the correct information in the tool.\"\n        }\n      }]\n    }\n    <\/script><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"BlogPosting\",\n  \"mainEntityOfPage\": {\n    \"@type\": \"WebPage\",\n    \"@id\": \"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\"\n  },\n  \"headline\": \"How Do Barcodes Work? Get the Complete Guide on Barcode System\",\n  \"description\": \"Discover how barcodes work, from their design and scanning process to their role in inventory management, enhancing efficiency and accuracy in various industries.\",\n  \"image\": {\n    \"@type\": \"ImageObject\",\n    \"url\": \"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053138\/How-Do-Barcodes-Work-Get-the-Complete-Guide-on-Barcode-System.png\",\n    \"width\": \"1200\",\n    \"height\": \"700\"\n  },\n  \"author\": {\n    \"@type\": \"Person\",\n    \"name\": \"Jayanti Katariya\"\n  },\n  \"publisher\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Jayanti Katariya\",\n    \"logo\": {\n      \"@type\": \"ImageObject\",\n      \"url\": \"https:\/\/cdn.mooninvoice.com\/image\/images\/logo.svg\",\n      \"width\": \"254\",\n      \"height\": \"47\"\n    }\n  },\n  \"datePublished\": \"2024-07-03\",\n  \"dateModified\": \"2024-07-03\"\n}\n<\/script><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Barcode\"><\/span>What Is a Barcode?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20280\" src=\"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053518\/What-Is-a-Barcode.png\" alt=\"What Is a Barcode\" width=\"1200\" height=\"630\" srcset=\"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053518\/What-Is-a-Barcode.png 1200w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053518\/What-Is-a-Barcode-300x158.png 300w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053518\/What-Is-a-Barcode-1024x538.png 1024w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053518\/What-Is-a-Barcode-768x403.png 768w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053518\/What-Is-a-Barcode-150x79.png 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>Many people know the basic definition of what a barcode is. Barcodes are defined as a set of black lines &amp; white spaces in vertical form. The width between these lines is not identical. Its overall format is rectangular or square. These are computer-readable representations of characters and numbers.<\/p>\n<p>These barcodes help capture the correct information about the product through the scanner. Thus, manage inventory in an effective way without any human interference and reduce error chances.<\/p>\n<p>Apart from retail stores, the barcode system is now significantly useful in hospitals, checking luggage, licenses, and rental cars.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Key_Points_About_Barcodes\"><\/span>Key Points About Barcodes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"custom-disc-list\">\n<li>Beyond speed, barcodes offer inventory management, accuracy, and budget-friendly advantages.<\/li>\n<li>Barcodes alone are not useful because scanners and printers are always required.<\/li>\n<li>Barcodes are not identical to QR codes because information storage is different in both.<\/li>\n<li>They always encode the data in alphanumeric characters and bars.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Component_of_Barcodes\"><\/span>Component of Barcodes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Every barcode regardless of country and region has 3 components. These are the standard components.<\/p>\n<h3>1. Start and stop character<\/h3>\n<p>The start and stop characters indicate the beginning and ending of the data. These data get slightly different as per the barcode type.<\/p>\n<h3>2. Check digit (symbol check character)<\/h3>\n<p>Check the digit and perform barcode validation. Verifying the data encoded accuracy is highly straightforward in this component.<\/p>\n<h3>3. Quit zone (margin)<\/h3>\n<p>Both ends of a barcode contain a black margin known as the quiet zone. A distance of 2.5 mm is required between the outermost bar of one symbol and the outermost bar of another symbol.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Barcode_Scanner\"><\/span>What Is a Barcode Scanner?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A barcode scanner, also known as a barcode reader, is a physical device that reads barcodes. It scans the barcode and gains the information. There are four components of a barcode scanner as follows &#8211;<\/p>\n<ol class=\"custom-disc-list\">\n<li>Lens &#8211; Use to scan the barcode.<\/li>\n<li>Photoconductor &#8211; It converts optical impulses into electrical ones.<\/li>\n<li>Light source &#8211; It helps in reading barcodes and accurately decodes the data in barcodes.<\/li>\n<li>Decoder &#8211; It analyzes the barcode data and transfers it to the scanner output port.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_Barcodes_Work\"><\/span>How Do Barcodes Work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Information is encoded in black lines and white space looking form. The overall working strategy of the barcode is based on laser technology and scanning. The scanning device emits laser light on the barcode.<\/p>\n<p>The black line will absorb light and reflect less information. Whereas, white bars will shine and reflect more information. This amount of light will be then converted to an electrical signal by the scanner.<\/p>\n<p>The scanner and decoder process the electrical signal that translates the patterns into digital data. Later on, this data is transferred to the point of sale system. The black part will be recorded as 1 and the white part will be recorded as 0.<\/p>\n<p>There are 12 digits in every barcode which are divided into four segments. Each segment has a different purpose and presentation.<\/p>\n<ul class=\"custom-disc-list\">\n<li>The first number shows the product type.<\/li>\n<li>The first 5 numbers on the left show the manufacturer&#8217;s code.<\/li>\n<li>The next 5 numbers on the right show the product code.<\/li>\n<li>The last number is the barcode number as per the self-policing system. It ensures the barcode is composed correctly.<\/li>\n<\/ul>\n<div class=\"cta-sc\">\n<p class=\"cta-ttl\"><strong class=\"cta-ttl\">Ready to streamline your business billing?<\/strong><\/p>\n<p class=\"cta-cnt\">Moon Invoice lets you easily create, customize, and send invoices in a minute and increase one-time payment chances.<\/p>\n<p><a class=\"btn\">Sign Up Now<\/a>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_Barcodes_Used_For\"><\/span>What Are Barcodes Used For?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The major use of barcodes is product identification in the store. Moreover, its transferred data is useful for tracking the price and inventory. Also, they help manage returns and product authenticity verification. However, their usage is not limited to retail stores. Their other use in other sectors is as follows.<\/p>\n<p><strong>Parcel tracking<\/strong> &#8211; Barcodes help track parcels to ensure timely delivery.<\/p>\n<p><strong>Food and agriculture<\/strong> &#8211; Barcodes are useful for traceability from origin to destination to track food products&#8217; journeys.<\/p>\n<p><strong>Library system<\/strong> &#8211; Tracking and managing books in the library is simple with barcodes. It reduces manual work and enhances accuracy.<\/p>\n<p><strong>Manufacturing<\/strong> &#8211; Barcodes are useful to know the status of an item in the production stage.<\/p>\n<p><strong>Healthcare<\/strong> &#8211; It is easy to track patient identity, medicine products, and laboratory samples to reduce errors and correct information.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_Types_of_Barcodes\"><\/span>What are the Types of Barcodes?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20282\" src=\"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053628\/What-are-the-Types-of-Barcodes.png\" alt=\"What are the Types of Barcodes\" width=\"1200\" height=\"630\" srcset=\"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053628\/What-are-the-Types-of-Barcodes.png 1200w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053628\/What-are-the-Types-of-Barcodes-300x158.png 300w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053628\/What-are-the-Types-of-Barcodes-1024x538.png 1024w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053628\/What-are-the-Types-of-Barcodes-768x403.png 768w, https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/03053628\/What-are-the-Types-of-Barcodes-150x79.png 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>Based on functionality and scope of use, barcodes are divided into two categories. Let&#8217;s understand them individually.<\/p>\n<h3>1. Dimensional (1D)\/ Linear barcodes<\/h3>\n<p>1D barcodes are a series of black and white vertical bars. Product type, size, and color are the major information that these barcodes store. 1D barcodes are commonly found on the top of Universal Product Codes (UPCs). It is helpful to track the product delivery journey. The major applications of 1D barcodes are retail products, goods, books, and shipping labels. Linear barcode scanners are useful for 1D barcode scanning.<\/p>\n<h3>2. Dimensional (2D)\/Matrix barcodes<\/h3>\n<p>2D barcodes, also known as matrices, are useful to store more information beyond text. This all includes the product image, inventory price, and inventory level. These barcodes are complicated as compared to 1D. The best example of a 2D barcode is a QR code which is highly useful to convert detailed information. It&#8217;s not necessary that every barcode reader can read 2D barcodes.<\/p>\n<h3>3. Is There a 3D Barcode?<\/h3>\n<p>Yes, 3D barcodes are the talk of a town. They are 2D barcodes only but with the difference of encoding information. 2D barcodes encode information in an image, whereas 3D barcodes utilize engraving which are 3D shapes. These barcodes have no significance in retail stores and are compatible with general scanners.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_the_Importance_of_Barcodes\"><\/span>What Is the Importance of Barcodes?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>After knowing what a barcode is, now let&#8217;s define its value and advantage. Barcodes look like simple vertical bars, but their importance is high. For retail and supermarkets, these barcodes are highly valuable. They accelerate the process and bring accuracy while reducing the chances of human errors.<\/p>\n<p>The following points will justify the barcodes&#8217; importance in better form.<\/p>\n<h3>Low investment<\/h3>\n<p>Generating barcodes is straightforward and less expensive for business professionals. Also, sales accuracy and good transaction speed offer highly cost-effective results.<\/p>\n<h3>Real-time data insight<\/h3>\n<p>The inventory gets updated immediately after barcode scanning takes place. It also updates sales numbers in the business management system. One can get the up to date information related to inventory in real-time from the barcode component.<\/p>\n<h3>Accuracy<\/h3>\n<p>There are minimal chances of errors in barcode scanning. The reason behind this is the technology associated with barcodes and no manual process involvement.<\/p>\n<h3>No training to use<\/h3>\n<p>The barcode scanner is easy to use. There is no requirement to give long training to employees to operate it. The concept is only to scan the barcode correctly on the point.<\/p>\n<h3>Inventory management<\/h3>\n<p>Retailers give high accuracy and real-time data on the barcode numbers. The inventory turnover estimate is highly accurate. So, it is easy to keep less inventory and know when to restock it.<\/p>\n<div class=\"blog-cta-main blog-cta-tip\">\n  <strong><span class=\"cta-icon\">\ud83d\udca1<\/span>Pro Tip:<\/strong><br \/>\n  <a href=\"https:\/\/www.mooninvoice.com\/blog\/inventory-turnover-ratio\/\">Inventory Turnover Ratio<\/a>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Future_of_Barcoding\"><\/span>The Future of Barcoding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Barcoding technology helps reduce human errors and speeds up the process. Talking about its future, barcode technology will reach new heights and offer highly beneficial concepts.<\/p>\n<p>Recently, radio frequency identification (RFI) technology has been fused with traditional barcodes. This makes it possible to simultaneously scan multiple products. This leads to a faster checkout process that eliminates the long waiting time for customers.<\/p>\n<p>3D barcodes are another advanced step. Its concept is using vertical and horizontal lines that store more information. Furthermore, these barcodes are scannable on mobile devices giving quick scanning.<\/p>\n<p>The upcoming barcode system will come with more advanced concepts. Technology will be advancing with innovations. Thus we can expect that the future barcodes will offer high security, and sustainability in addition to fast processing. Barcodes in the future will play a vital role and meet the demand of a changing market.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_UPC\"><\/span>What Is a UPC?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>UPC stands for Universal Product Code which is mostly found in retail product packaging. It is useful in knowing the product&#8217;s details.<\/p>\n<p>UPC is made up of two parts &#8211;<\/p>\n<ol class=\"custom-disc-list\">\n<li>Machine readable barcode<\/li>\n<li>Unique 12-digit number (situated at the bottom of the barcode)<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_the_Purpose_of_a_UPC\"><\/span>What Is the Purpose of a UPC?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>UPCs simplify the product&#8217;s identification through size, color, type, and name. Moreover, they are also beneficial for <a href=\"https:\/\/www.mooninvoice.com\/blog\/inventory-tracking\/\" rel=\"\">tracking inventory<\/a> in warehouses and retail stores. You can make the checkout process super fast by incorporating UPC.<\/p>\n<div class=\"cta-sc\">\n<p class=\"cta-ttl\"><strong class=\"cta-ttl\">Empower Your Retail Store Working With Us<\/strong><\/p>\n<p class=\"cta-cnt\">Try our Moon POS system to manage your sales and transactions. Perform unlimited barcode scanning &amp; generating with advanced technology.<\/p>\n<p><a class=\"btn\">Try It Free!<\/a>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_the_Benefits_of_UPCs\"><\/span>What Are the Benefits of UPCs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>UPCs are helpful for consumers and business professionals. The scanner scans the product&#8217;s information and costs with the help of UPCs with speed and accuracy. This helps the business professionals to execute the operation quickly. Also, it eliminates the manual entry of the product.<\/p>\n<p>Talking about inventory management, UPCs contribute a lot to refining their tracking and management. Vendors can easily fulfill the stock whenever required for the particular product. It helps resolve an issue that may arise.<\/p>\n<p>For the customers, UPCs offer a seamless checkout experience. This is due to automated operation and cutting down the traditional methods.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Difference_Between_UPCs_and_SKUs\"><\/span>Difference Between UPCs and SKUs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a lot of similarities between UPCs and SKUs. However, both are different in their usage and purposes. Let&#8217;s check the differences below.<\/p>\n<table class=\"table-block\">\n<thead>\n<tr>\n<th>UPC<\/th>\n<th>SKU<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Stands for Universal Product Code.<\/td>\n<td>Stands for Stock Keeping Unit.<\/td>\n<\/tr>\n<tr>\n<td>It is universal across multiple retailers.<\/td>\n<td>It is unique and customized from business to business.<\/td>\n<\/tr>\n<tr>\n<td>Same UPC is useful for the same products in different retail stores.<\/td>\n<td>It is unique and always found on the store\u2019s unique shelf pricing.<\/td>\n<\/tr>\n<tr>\n<td>It helps to find the product across various retailers.<\/td>\n<td>It is only helpful in tracking the product under business using the unique SKU.<\/td>\n<\/tr>\n<tr>\n<td>It is universal across multiple retailers.<\/td>\n<td>It is unique and customized from business to business.<\/td>\n<\/tr>\n<tr>\n<td>Suppliers use UPCs to track inventory.<\/td>\n<td>SKUs are also useful in tracking and managing inventory but in a unique way.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>So here we wrap up our story on how barcodes work. Barcodes are now a lifeline for retailers and other businesses who sell products. The simple looking black and white labels are valuable and contribute a lot to the smooth execution of operations. Currently, they have made strong roots, but in the coming time, they will be more advanced.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"1-link-20276\" class=\"sh-link 1-link sh-hide\"><h3 onclick=\"showhide_toggle('1', 20276, 'Can two products have the same barcode?', 'Can two products have the same barcode?'); return false;\" aria-expanded=\"false\"><span id=\"1-toggle-20276\" class=\"sh-toggle\" data-more=\"Can two products have the same barcode?\" data-less=\"Can two products have the same barcode?\">Can two products have the same barcode?<\/span><\/h3><\/div><div id=\"1-content-20276\" class=\"sh-content 1-content sh-hide\" style=\"display: none;\">Every product has a unique barcode, so it is not possible to have the same barcode for two products.<\/p>\n<p><\/div>\n<div id=\"2-link-20276\" class=\"sh-link 2-link sh-hide\"><h3 onclick=\"showhide_toggle('2', 20276, 'How to decode a barcode?', 'How to decode a barcode?'); return false;\" aria-expanded=\"false\"><span id=\"2-toggle-20276\" class=\"sh-toggle\" data-more=\"How to decode a barcode?\" data-less=\"How to decode a barcode?\">How to decode a barcode?<\/span><\/h3><\/div><div id=\"2-content-20276\" class=\"sh-content 2-content sh-hide\" style=\"display: none;\">Barcode decoding is possible with the use of a specific device known as a barcode scanner. The smartphone camera is also useful for decoding barcodes.<\/p>\n<p><\/div>\n<div id=\"3-link-20276\" class=\"sh-link 3-link sh-hide\"><h3 onclick=\"showhide_toggle('3', 20276, 'How does a barcode hold information?', 'How does a barcode hold information?'); return false;\" aria-expanded=\"false\"><span id=\"3-toggle-20276\" class=\"sh-toggle\" data-more=\"How does a barcode hold information?\" data-less=\"How does a barcode hold information?\">How does a barcode hold information?<\/span><\/h3><\/div><div id=\"3-content-20276\" class=\"sh-content 3-content sh-hide\" style=\"display: none;\">Barcodes are a combination of black and white spaces. The information is stored well in these spaces and represents the information that relays to the computer or mobile source. They store information using symbols that vary from line to dot.<\/p>\n<p><\/div>\n<div id=\"4-link-20276\" class=\"sh-link 4-link sh-hide\"><h3 onclick=\"showhide_toggle('4', 20276, 'Is it possible to generate barcodes? If yes, then how?', 'Is it possible to generate barcodes? If yes, then how?'); return false;\" aria-expanded=\"false\"><span id=\"4-toggle-20276\" class=\"sh-toggle\" data-more=\"Is it possible to generate barcodes? If yes, then how?\" data-less=\"Is it possible to generate barcodes? If yes, then how?\">Is it possible to generate barcodes? If yes, then how?<\/span><\/h3><\/div><div id=\"4-content-20276\" class=\"sh-content 4-content sh-hide\" style=\"display: none;\">Yes, barcode generation is possible. There are various tools to generate barcodes. In general, you need to submit the data for which you want a barcode. Once you submit the data, you will get a barcode.<\/p>\n<p><\/div>\n<div id=\"5-link-20276\" class=\"sh-link 5-link sh-hide\"><h3 onclick=\"showhide_toggle('5', 20276, 'What is standard barcode encoding in retail?', 'What is standard barcode encoding in retail?'); return false;\" aria-expanded=\"false\"><span id=\"5-toggle-20276\" class=\"sh-toggle\" data-more=\"What is standard barcode encoding in retail?\" data-less=\"What is standard barcode encoding in retail?\">What is standard barcode encoding in retail?<\/span><\/h3><\/div><div id=\"5-content-20276\" class=\"sh-content 5-content sh-hide\" style=\"display: none;\">Retail barcodes have UPC (Universal Product Code) and EAN (International Article Number) as standard encoding for retail barcodes. EAN is useful at the international level, but UPC is limited to North America.<\/p>\n<p><\/div>\n<div id=\"6-link-20276\" class=\"sh-link 6-link sh-hide\"><h3 onclick=\"showhide_toggle('6', 20276, 'How do barcodes work mathematically?', 'How do barcodes work mathematically?'); return false;\" aria-expanded=\"false\"><span id=\"6-toggle-20276\" class=\"sh-toggle\" data-more=\"How do barcodes work mathematically?\" data-less=\"How do barcodes work mathematically?\">How do barcodes work mathematically?<\/span><\/h3><\/div><div id=\"6-content-20276\" class=\"sh-content 6-content sh-hide\" style=\"display: none;\">The barcode mathematical concept is based on the listed approach &#8211;<\/p>\n<ul class=\"custom-disc-list\">\n<li>Starting with the first digit, make a sum of all the odd position numbers<\/li>\n<li>Now multiply this sum by 3<\/li>\n<li>Make a sum of all the even numbers and add it to the above result<\/li>\n<li>The smallest number is modulo 10<\/li>\n<li>Add this number to the sum to produce the multiple of 10<\/li>\n<\/ul>\n<p><\/div>\n<div id=\"7-link-20276\" class=\"sh-link 7-link sh-hide\"><h3 onclick=\"showhide_toggle('7', 20276, 'Can I create my own barcode?', 'Can I create my own barcode?'); return false;\" aria-expanded=\"false\"><span id=\"7-toggle-20276\" class=\"sh-toggle\" data-more=\"Can I create my own barcode?\" data-less=\"Can I create my own barcode?\">Can I create my own barcode?<\/span><\/h3><\/div><div id=\"7-content-20276\" class=\"sh-content 7-content sh-hide\" style=\"display: none;\">Yes, you can generate your own barcode using online barcode generating tools. To get the exact required barcode you need to submit the correct information in the tool.<\/p>\n<p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents What Is a Barcode?Key Points About BarcodesComponent of BarcodesWhat Is a Barcode Scanner?How Do Barcodes Work?What Are Barcodes Used For?What are the Types of Barcodes?What Is the Importance of Barcodes?The Future of BarcodingWhat Is a UPC?What Is the Purpose of a UPC?What Are the Benefits of UPCs?Difference Between UPCs and SKUsConclusionFAQs What&hellip; <a class=\"more-link\" href=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\">Continue reading <span class=\"screen-reader-text\">How Do Barcodes Work? Get the Complete Guide on Barcode System<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":20342,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-custom-post.php","format":"standard","meta":{"footnotes":""},"categories":[1381],"tags":[],"class_list":["post-20276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pos-guides","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Free Invoicing, Finance Tips &amp; Insights for Small Business<\/title>\n<meta name=\"description\" content=\"Get insights on invoicing, finance, and startup tips for small businesses, freelancers, and payment at Moon Invoice Blog.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is a Barcode: How Do Barcodes Work - Complete Guide\" \/>\n<meta property=\"og:description\" content=\"Discover how barcodes work, from their design and scanning process to their role in inventory management, enhancing efficiency and accuracy in various industries.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\" \/>\n<meta property=\"og:site_name\" content=\"Free Invoicing, Finance Tips &amp; Insights for Small Business\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-03T06:10:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-29T10:16:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/09083435\/How-Do-Barcodes-Work-Get-the-Complete-Guide-on-Barcode-System.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/#website\",\"url\":\"https:\/\/www.mooninvoice.com\/blog\/\",\"name\":\"Free Invoicing, Finance Tips &amp; Insights for Small Business\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.mooninvoice.com\/blog\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/mi-blogs.s3.amazonaws.com\/mi-live\/blog\/wp-content\/uploads\/2024\/07\/09083435\/How-Do-Barcodes-Work-Get-the-Complete-Guide-on-Barcode-System.jpg\",\"width\":1200,\"height\":700,\"caption\":\"How Do Barcodes Work Get the Complete Guide on Barcode System\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#webpage\",\"url\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\",\"name\":\"What Is a Barcode: How Do Barcodes Work - Complete Guide\",\"isPartOf\":{\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#primaryimage\"},\"datePublished\":\"2024-07-03T06:10:35+00:00\",\"dateModified\":\"2026-04-29T10:16:06+00:00\",\"author\":{\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/#\/schema\/person\/2692dbcb26f37a5b131a6394d8a3308c\"},\"description\":\"Discover how barcodes work, from their design and scanning process to their role in inventory management, enhancing efficiency and accuracy in various industries.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/\",\"url\":\"https:\/\/www.mooninvoice.com\/blog\/\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\",\"url\":\"https:\/\/www.mooninvoice.com\/blog\/how-do-barcodes-work\/\",\"name\":\"How Do Barcodes Work? 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