{"id":7128,"date":"2020-08-07T17:37:12","date_gmt":"2020-08-07T15:37:12","guid":{"rendered":"https:\/\/gs1.se\/standarder-och-tjanster\/calculate-a-check-digit\/"},"modified":"2024-08-15T11:53:12","modified_gmt":"2024-08-15T09:53:12","slug":"check-digit-calculator","status":"publish","type":"product","link":"https:\/\/gs1.se\/en\/standards-and-services\/check-digit-calculator\/","title":{"rendered":"Check digit calculator"},"content":{"rendered":"\n<p>The last digit of a barcode number is a check digit that ensures that the barcode is correctly composed. Use the check digit calculator below to calculate check digits for all <a href=\"https:\/\/gs1.se\/en\/identify\/\">GS1 identification keys<\/a>.<\/p>\n\n\n\n<p>If you are a GS1 Sweden customer, you can log in to <a href=\"https:\/\/my.gs1.se\/\" target=\"_blank\" rel=\"noreferrer noopener\">MyGS1<\/a> and use our service Generate numbers, where you can generate several <a href=\"https:\/\/gs1.se\/en\/guides\/how-to-guides\/gtin-13\/\">GTIN-13<\/a> at the same time. The service also lets you generate <a href=\"https:\/\/gs1.se\/guider\/kom-igang-guider\/gtin-14\/\">GTIN-14<\/a>, <a href=\"https:\/\/gs1.se\/en\/standards-and-services\/global-location-number-gln\/\">GLN<\/a> <a href=\"https:\/\/gs1.se\/en\/standards-and-services\/serial-shipping-container-code-sscc\/\">SSCC<\/a> and <a href=\"https:\/\/gs1.se\/en\/standards-and-services\/global-shipment-identification-number-gsin\/\">GSIN<\/a>, based on your GS1 Company Prefix.<\/p>\n\n\n\n<p>If you need the GMN (Global Model Number) to meet the requirements for Basic UDI-DI, you can <a href=\"https:\/\/www.gs1.org\/services\/gmn-generator\" target=\"_blank\" rel=\"noreferrer noopener\">generate and validate control characters here<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<div class=\"row pb-5\">\n  <div class=\"col-md-12 gs1-check-digit\">\n        <div class=\"row\">\n  <div class=\"col-md-6\">\n<form class=\"ajax-form\" action=\"calculate_control_number\" id=\"calculate-control-number\">\n    <div class=\"form-group\">\n      <label for=\"gs1companyprefix\">GS1 key without check digit<\/label>\n      <input class=\"form-control gs1-input-field-prefix\" name=\"data\" maxlength=\"18\" type=\"text\" placeholder=\"Mandatory...\" value=\"\">\n    <\/div>\n\n    <div class=\"pt-1\">\n      <input type=\"submit\" class=\"btn btn-margin btn-primary\" value=\"Calculate\">      \n      <input type=\"reset\" class=\"btn btn-outline-primary border\" value=\"Clear\">\n    <\/div>\n    <input type=\"hidden\" name=\"wpml_lang\" value=\"en\">\n    <input type=\"hidden\" class=\"nonce-field\" name=\"nonce\" value=\"\">\n    <input type=\"text\" class=\"d-none\" name=\"secret\" value=\"\">\n<\/form>\n  <\/div>\n\n  <div class=\"col-md-6 my-3\">\n    \n    <div id=\"alert-response\" class=\"d-none\" role=\"alert\"><\/div>\n    <em id=\"alert-response-desc\" class=\"small mb-4 d-inline-block\"><\/em>\n    <div class=\"text-center spinner-wrapper d-none\">\n    <div class=\"spinner-border text-secondary\" role=\"status\">\n      <span class=\"sr-only\">Laddar...<\/span>\n    <\/div>\n    <\/div>\n    \n\n\n<input type=\"text\" id=\"copyToClipboard\" class=\"d-none\">\n  <\/div>\n<\/div>\n\n<script type=\"text\/javascript\">\n  window.onload = function() {\n  jQuery(document).ready(function($) {\n    $.get(site_ajax.ajaxurl + '?action=get_nonce', function(response) {\n      console.log(response);\n        \/\/ Insert the nonce into form fields or links\n        $('.nonce-field').val(response.data.nonce);\n    });\n  });\n}\n<\/script>  <\/div>\n<\/div>\n\n\n\n\n<section class=\"section-facts p-3 mb-5 mt-4 gs1-background-color-ui-1 ml-n3 mr-n3\">\n\n  <div class=\"row\">\n    <div class=\"col mb-3\">\n      <h3>Don&#8217;t forget to save your numbers<\/h3>\n      <p><p>Please note that the numbers you calculate here are neither saved nor recorded. If you have a GS1 Company Prefix from GS1 Sweden, you can save your numbers by recording products in My products and GLNs in My places in <a href=\"https:\/\/my.gs1.se\/\" target=\"_blank\" rel=\"noopener\">MyGS1<\/a>.<\/p>\n<\/p>\n          <\/div>\n\n<\/section>\n\n\n<section class=\"section-benefits-list-group test-1- full-width pb-6 pt-6 layer-0 position-relative gs1-background-color-\">\n    <div class=\"container\">\n    <div class=\"row\">\n      <div class=\"col-12\">\n        <h2>FAQ<\/h2>              <\/div>\n      <div class=\"col-12\">\n        <ul class=\"columns-lg-2 m-0 mt-4 p-0\">\n                      <li class=\"list-group-item border-0 p-0 bg-transparent\">\n              <div class=\"clearfix\">\n              <div class=\"float-left pt-1 gs1-color-grass\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" fill=\"currentColor\" class=\"bi bi-arrow-right-circle-fill d-block\" viewBox=\"0 0 16 16\">\n  <path d=\"M8 0a8 8 0 1 1 0 16A8 8 0 0 1 8 0zM4.5 7.5a.5.5 0 0 0 0 1h5.793l-2.147 2.146a.5.5 0 0 0 .708.708l3-3a.5.5 0 0 0 0-.708l-3-3a.5.5 0 1 0-.708.708L10.293 7.5H4.5z\"\/>\n<\/svg><\/div><div class=\"ml-4\"><p><a href=\"https:\/\/gs1.se\/en\/support\/what-is-a-check-digit\/\">What is a check digit?<\/a><\/p>\n<\/div>\n              <\/div>\n            <\/li>\n                      <li class=\"list-group-item border-0 p-0 bg-transparent\">\n              <div class=\"clearfix\">\n              <div class=\"float-left pt-1 gs1-color-grass\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" fill=\"currentColor\" class=\"bi bi-arrow-right-circle-fill d-block\" viewBox=\"0 0 16 16\">\n  <path d=\"M8 0a8 8 0 1 1 0 16A8 8 0 0 1 8 0zM4.5 7.5a.5.5 0 0 0 0 1h5.793l-2.147 2.146a.5.5 0 0 0 .708.708l3-3a.5.5 0 0 0 0-.708l-3-3a.5.5 0 1 0-.708.708L10.293 7.5H4.5z\"\/>\n<\/svg><\/div><div class=\"ml-4\"><p><a href=\"https:\/\/gs1.se\/en\/support\/calculate-check-digit-for-a-variable-weight-number-(GTIN)-for-validoo\">Calculate check digit for a variable weight number (GTIN) for Validoo<\/a><\/p>\n<\/div>\n              <\/div>\n            <\/li>\n                      <li class=\"list-group-item border-0 p-0 bg-transparent\">\n              <div class=\"clearfix\">\n              <div class=\"float-left pt-1 gs1-color-grass\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" fill=\"currentColor\" class=\"bi bi-arrow-right-circle-fill d-block\" viewBox=\"0 0 16 16\">\n  <path d=\"M8 0a8 8 0 1 1 0 16A8 8 0 0 1 8 0zM4.5 7.5a.5.5 0 0 0 0 1h5.793l-2.147 2.146a.5.5 0 0 0 .708.708l3-3a.5.5 0 0 0 0-.708l-3-3a.5.5 0 1 0-.708.708L10.293 7.5H4.5z\"\/>\n<\/svg><\/div><div class=\"ml-4\"><p><a href=\"https:\/\/gs1.se\/en\/support\/how-do-i-create-my-variable-weight-numbers\/\">How do I create variable weight numbers?<\/a><\/p>\n<\/div>\n              <\/div>\n            <\/li>\n                      <li class=\"list-group-item border-0 p-0 bg-transparent\">\n              <div class=\"clearfix\">\n              <div class=\"float-left pt-1 gs1-color-grass\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" fill=\"currentColor\" class=\"bi bi-arrow-right-circle-fill d-block\" viewBox=\"0 0 16 16\">\n  <path d=\"M8 0a8 8 0 1 1 0 16A8 8 0 0 1 8 0zM4.5 7.5a.5.5 0 0 0 0 1h5.793l-2.147 2.146a.5.5 0 0 0 .708.708l3-3a.5.5 0 0 0 0-.708l-3-3a.5.5 0 1 0-.708.708L10.293 7.5H4.5z\"\/>\n<\/svg><\/div><div class=\"ml-4\"><p><a href=\"https:\/\/gs1.se\/en\/support\/how-do-i-use-my-products\/\">How do I use My products?<\/a><\/p>\n<\/div>\n              <\/div>\n            <\/li>\n                  <\/ul>\n      <\/div>\n    <\/div>\n  <\/div>\n\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Use our free calculator to calculate a check digit. The last digit of your barcode number which is fully computer generated.<\/p>\n","protected":false},"featured_media":7224,"parent":0,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"Check digit calculator","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"24014,33447,41125,34281,33727,33437","_relevanssi_noindex_reason":"","footnotes":""},"product_categories":[101],"product_tags":[95],"class_list":["post-7128","product","type-product","status-publish","has-post-thumbnail","hentry","product_categories-identify","product_tags-service-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Check digit calculator &#187; GS1 Sweden<\/title>\n<meta name=\"description\" content=\"Use our free calculator to calculate a check digit. 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