{"id":55830,"date":"2015-10-24T16:00:17","date_gmt":"2015-10-24T14:00:17","guid":{"rendered":"http:\/\/wpcalc.com\/?p=55830"},"modified":"2026-09-28T09:50:06","modified_gmt":"2026-09-28T06:50:06","slug":"yarn-count","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/converters\/yarn-count\/","title":{"rendered":"Yarn Count Calculator"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Yarn Count Measurement Tool<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"55830\" data-favorite-title=\"Yarn Count\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/converters\/yarn-count\/\" data-favorite-excerpt=\"Calculate yarn count from the number of bundles, the length of each bundle in meters, and the total yarn weight in grams. The result is meters per gram, numerically equal to metric yarn count (Nm).\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-length\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/converters\/yarn-count\/\" method=\"POST\" class=\"calculator\" id=\"calculator-55830\" data-post=\"55830\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field has-term\" id=\"input-1\"><label for=\"field-1\">Number of yarn bundles<\/label><div class=\"term\">N<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"number_of_yarn_bundles\" id=\"field-1\" aria-describedby=\"calc-info-1\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"1\" value=\"10\"\/><small id=\"calc-info-1\">Enter the number of yarn bundles<\/small><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-2\">Length per bundle<\/label><div class=\"term\">L<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"length_per_bundle\" id=\"field-2\" aria-describedby=\"calc-unit-2 calc-info-2\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0.01\" value=\"100\"\/><div class=\"unit\" id=\"calc-unit-2\">m<\/div><small id=\"calc-info-2\">Enter the length of each yarn bundle<\/small><\/div><div class=\"field has-term\" id=\"input-3\"><label for=\"field-3\">Total weight of yarn<\/label><div class=\"term\">W<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"total_weight_of_yarn\" id=\"field-3\" aria-describedby=\"calc-unit-3 calc-info-3\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0.01\" value=\"500\"\/><div class=\"unit\" id=\"calc-unit-3\">g<\/div><small id=\"calc-info-3\">Enter the total weight of the yarn<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"55830\">Calculate<\/button><button type=\"reset\">Reset<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calculate automatically<\/label><small>If enabled, the result will update automatically when you change any value.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Your Results<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Yarn Count<\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copy link to this calculation<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Leave a Comment<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"55830\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Inaccurate <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Yarn Count Formula<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Formula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ C = \\frac{N \\times L}{W} \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(C\\) \u2014 yarn count in meters per gram (m\/g)<\/li>\n<li>\\(N\\) \u2014 number of equally sized yarn bundles<\/li>\n<li>\\(L\\) \u2014 yarn length per bundle in meters (m)<\/li>\n<li>\\(W\\) \u2014 total yarn weight in grams (g)<\/li>\n<\/ul>\n<p>The formula divides the combined yarn length by its total weight. With meters and grams as the input units, the result is numerically equal to metric yarn count, Nm.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-459\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Yarn Count \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> You have 10 bundles, each containing 100 meters of yarn. Together, the yarn weighs 500 grams.<\/p>\n<p>\\[ C = \\frac{10 \\times 100\\,\\text{m}}{500\\,\\text{g}} = \\frac{1{,}000\\,\\text{m}}{500\\,\\text{g}} = 2\\,\\text{m\/g} \\]<\/p>\n<p><strong>Result:<\/strong> The yarn count is 2 m\/g, numerically equal to 2 Nm.<\/p>\n<p>\n\r\n<\/section>\n<h2>How to use the calculator<\/h2>\n<ol>\n<li>Enter the <strong>Number of yarn bundles<\/strong>. Count only the bundles included in the weight measurement.<\/li>\n<li>Enter the <strong>Length per bundle<\/strong> in meters. This should be the yarn length in each bundle, not the combined length.<\/li>\n<li>Enter the <strong>Total weight of yarn<\/strong> in grams. Exclude packaging, cones, or other items that are not yarn.<\/li>\n<li>Read the <strong>Yarn Count<\/strong> result. It represents meters of yarn per gram and is displayed to four decimal places.<\/li>\n<\/ol>\n<p>All bundles must have the same yarn length for this calculation to represent the measured sample. If their lengths differ, add their lengths and divide that total by the yarn weight instead. To convert a measurement before entering it, use the <a href=\"https:\/\/wpcalc.com\/en\/converters\/length\/\">length converter<\/a>.<\/p>\n<h2>What yarn count means<\/h2>\n<p>Yarn count describes the relationship between a yarn\u2019s length and mass. This calculator uses a length-per-mass measure: it tells you how many meters of yarn correspond to one gram. Because one meter per gram is also one kilometer per kilogram, the displayed number is the same as the metric count, Nm. No additional conversion is needed to read it as Nm when the stated input units are used.<\/p>\n<p>For example, a count of 2 m\/g means that 2 meters of the measured yarn weigh 1 gram on average. A count of 4 m\/g means that 4 meters weigh 1 gram. Under otherwise comparable conditions, a higher length-per-mass count indicates a finer, lighter yarn; a lower count indicates a heavier yarn per meter. The result does not, by itself, specify the yarn\u2019s diameter or predict how a finished fabric will feel.<\/p>\n<p>Yarn counts help when comparing samples, checking production consistency, or estimating the weight needed for a known length. For the example above, 1,000 meters weighs 500 grams. If another sample of the same construction has a substantially different count, its mass per unit length has changed. Fiber type, structure, and finishing still matter when deciding whether two yarns can be used interchangeably.<\/p>\n<h2>Units, assumptions, and practical tips<\/h2>\n<p><strong>This calculator does not automatically calculate every yarn-count system.<\/strong> In particular, English cotton count (Ne) uses a different definition, and tex expresses mass per length rather than length per mass. If you need tex from this result, use \\(\\text{tex}=1000\/C\\), where \\(C\\) is the displayed value in m\/g. The example result of 2 m\/g therefore corresponds to 500 tex. Do not label the calculator\u2019s output as Ne or tex without converting it.<\/p>\n<p>The bundle is simply a way to organize the length measurement; it does not need to be a standard-sized hank. What matters is that every counted bundle contains the entered length and that the weight covers exactly those bundles. If your lengths are recorded in feet, convert them to meters first; the <a href=\"https:\/\/wpcalc.com\/en\/converters\/meters-to-feet\/\">meters-to-feet converter<\/a> can help check the relationship between the units. Entering feet as though they were meters would give the wrong count.<\/p>\n<p>Measure the yarn alone using a scale appropriate for the sample size. For small samples, scale resolution, moisture, and tension while measuring length can noticeably affect the result. A longer representative sample can reduce the effect of small measurement errors. If you are comparing batches, use the same weighing and length-measuring procedure each time, and record the conditions alongside the count.<\/p>\n<p>The calculator assumes a positive yarn weight and a positive length per bundle. It also assumes the measured mass and length refer to the same yarn, with no omitted or double-counted material. Rounding to four decimal places makes the display convenient, but it does not make the underlying measurements more precise.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calculate yarn count from the number of bundles, the length of each bundle in meters, and the total yarn weight in grams. The result is meters per gram, numerically equal to metric yarn count (Nm).<\/p>\n","protected":false},"author":70,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[29],"class_list":["post-55830","post","type-post","status-publish","format-standard","hentry","category-converters","tag-length-units"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/55830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/users\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=55830"}],"version-history":[{"count":2,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/55830\/revisions"}],"predecessor-version":[{"id":65325,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/55830\/revisions\/65325"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=55830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=55830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=55830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}