{"id":100067,"date":"2026-02-15T20:14:44","date_gmt":"2026-02-15T20:14:44","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100067"},"modified":"2026-02-15T20:14:44","modified_gmt":"2026-02-15T20:14:44","slug":"coupling-torque-calculator","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/coupling-torque-calculator\/","title":{"rendered":"Coupling Torque Calculator | T = P\u00d79549\/n | Free Online Tool"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Coupling Torque Calculator\",\"alternateName\":[\"Power to Torque Calculator\",\"Shaft Torque Calculator\",\"T=P*9549\/n Calculator\"],\"description\":\"Free online coupling torque calculator. Calculate torque from power and speed using T = P\u00d79549\/n, with service factors and direct force application T = F\u00d7r.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/coupling-torque-calculator\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any (Web Browser)\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"datePublished\":\"2024-01-01\",\"dateModified\":\"2025-02-14\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true,\"featureList\":[\"Power to torque conversion\",\"Service factor table\",\"Direct force application T=F\u00d7r\",\"Multiple unit support\",\"Auto-calculation on input change\"],\"keywords\":\"coupling torque, power to torque, shaft torque, service factor\"}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is the formula for torque from power and speed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The formula is T = P \u00d7 9549 \/ n, where T is torque in N\u00b7m, P is power in kW, and n is rotational speed in RPM. The constant 9549 comes from 60000\/(2\u03c0).\"}},\n{\"@type\":\"Question\",\"name\":\"Why do we need a service factor for coupling torque?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Service factors account for dynamic loads beyond the steady-state nominal torque. Shock loads, cyclic variations, and starting torques can significantly exceed nominal values. The service factor ensures the coupling can handle peak loads without damage.\"}},\n{\"@type\":\"Question\",\"name\":\"What is T = F \u00d7 r and when do I use it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"T = F \u00d7 r calculates torque from a tangential force F (in Newtons) applied at radius r (in meters) from the shaft center. Use this when you know the force acting on a lever arm, gear tooth, or coupling bolt circle.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I convert between N\u00b7m and other torque units?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Common conversions: 1 N\u00b7m = 0.7376 lb\u00b7ft = 8.851 lb\u00b7in = 141.6 oz\u00b7in = 10.20 kgf\u00b7cm. For kW to HP: 1 kW = 1.341 HP.\"}},\n{\"@type\":\"Question\",\"name\":\"What service factor should I use for my application?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Uniform loads (fans, pumps): 1.0\u20131.5. Moderate shock (compressors, conveyors): 1.5\u20132.0. Heavy shock (crushers, mills, presses): 2.0\u20133.0+. Always verify with the coupling manufacturer's catalog for your specific application.\"}}\n]}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Coupling Torque Calculator\",\"item\":\"https:\/\/vibromera.eu\/calculators\/coupling-torque-calculator\/\"}\n]}\n<\/script>\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n\n<link 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20px;font-size:13px;font-weight:700;color:#fff;background:var(--vc-accent);border-radius:var(--vc-radius);text-decoration:none;white-space:nowrap;transition:background 0.15s}\n.vc-promo-link:hover{background:var(--vc-accent-hover)}\n.vc-footer{text-align:center;padding:32px 16px;font-size:13px;color:var(--vc-ink-muted)}\n.vc-footer a{color:var(--vc-accent);text-decoration:none}.vc-footer a:hover{text-decoration:underline}\n.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}\n@media print{.vc-section-body{max-height:none!important}.vc-faq-a{max-height:none!important}.vc-results{max-height:none!important;padding:24px!important}.vc-copy-btn,.vc-section-chevron,.vc-faq-chevron,.vc-presets,.vc-promo{display:none!important}}\n<\/style>\n\n<div class=\"vc-calculator\" id=\"vc-coupling-torque\">\n\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool #084<\/p>\n    <h1 class=\"vc-header-title\">Coupling Torque Calculator<\/h1>\n    <p class=\"vc-header-subtitle\">Calculate shaft torque from power and speed using T&nbsp;=&nbsp;P\u00d79549\/n. Includes service factors for coupling selection and direct force application T&nbsp;=&nbsp;F\u00d7r.<\/p>\n    <div class=\"vc-badges\">\n        <span class=\"vc-badge\">T = P\u00d79549\/n<\/span>\n        <span class=\"vc-badge\">T = F\u00d7r<\/span>\n        <span class=\"vc-badge\">Service Factors<\/span>\n    <\/div>\n<\/header>\n\n<div class=\"vc-card\">\n    <div class=\"vc-unit-bar\">\n        <button type=\"button\" class=\"vc-unit-btn vc-active\" data-mode=\"power\">From Power &amp; Speed<\/button>\n        <button type=\"button\" class=\"vc-unit-btn\" data-mode=\"force\">From Force &amp; Radius<\/button>\n    <\/div>\n\n    <form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\">\n        <!-- Power mode -->\n        <div id=\"vc-mode-power\">\n            <div class=\"vc-form-grid\">\n                <div class=\"vc-field\">\n                    <label class=\"vc-label\" for=\"vc-power\">Power <span class=\"vc-label-hint\">(kW)<\/span><\/label>\n                    <input class=\"vc-input\" type=\"number\" id=\"vc-power\" inputmode=\"decimal\" step=\"any\" min=\"0.01\" placeholder=\"e.g. 15\" value=\"15\">\n                <\/div>\n                <div class=\"vc-field\">\n                    <label class=\"vc-label\" for=\"vc-speed\">Speed <span class=\"vc-label-hint\">(RPM)<\/span><\/label>\n                    <input class=\"vc-input\" type=\"number\" id=\"vc-speed\" inputmode=\"decimal\" step=\"any\" min=\"1\" placeholder=\"e.g. 1500\" value=\"1500\">\n                <\/div>\n                <div class=\"vc-field\">\n                    <label class=\"vc-label\" for=\"vc-sf\">Service Factor <span class=\"vc-label-hint\">(K<sub>A<\/sub>)<\/span><\/label>\n                    <select class=\"vc-select\" id=\"vc-sf\">\n                        <option value=\"1.0\">1.0 \u2014 Uniform (fans, pumps)<\/option>\n                        <option value=\"1.25\">1.25 \u2014 Light shocks (conveyors)<\/option>\n                        <option value=\"1.5\" selected>1.5 \u2014 Moderate shocks (compressors)<\/option>\n                        <option value=\"1.75\">1.75 \u2014 Heavy shocks (mixers)<\/option>\n                        <option value=\"2.0\">2.0 \u2014 Extreme (crushers)<\/option>\n                        <option value=\"2.5\">2.5 \u2014 Severe reversing<\/option>\n                        <option value=\"3.0\">3.0 \u2014 Presses, shears<\/option>\n                    <\/select>\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <!-- Force mode -->\n        <div id=\"vc-mode-force\" style=\"display:none\">\n            <div class=\"vc-form-grid\">\n                <div class=\"vc-field\">\n                    <label class=\"vc-label\" for=\"vc-force\">Tangential Force <span class=\"vc-label-hint\">(N)<\/span><\/label>\n                    <input class=\"vc-input\" type=\"number\" id=\"vc-force\" inputmode=\"decimal\" step=\"any\" min=\"0.01\" placeholder=\"e.g. 5000\" value=\"5000\">\n                <\/div>\n                <div class=\"vc-field\">\n                    <label class=\"vc-label\" for=\"vc-radius\">Radius <span class=\"vc-label-hint\">(mm)<\/span><\/label>\n                    <input class=\"vc-input\" type=\"number\" id=\"vc-radius\" inputmode=\"decimal\" step=\"any\" min=\"0.1\" placeholder=\"e.g. 150\" value=\"150\">\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-p=\"5.5\" data-s=\"1500\" data-sf=\"1.0\">Fan 5.5 kW<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-p=\"15\" data-s=\"1500\" data-sf=\"1.5\">Compressor 15 kW<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-p=\"75\" data-s=\"1000\" data-sf=\"1.75\">Mixer 75 kW<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-p=\"200\" data-s=\"750\" data-sf=\"2.0\">Crusher 200 kW<\/button>\n        <\/div>\n    <\/form>\n\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\">\n            <h2 class=\"vc-results-title\">Results<\/h2>\n            <button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\">\n                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg>\n                Copy\n            <\/button>\n        <\/div>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\">\n                <div class=\"vc-rcard-label\" id=\"vc-r-main-label\">Design Torque (with Service Factor)<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-tdesign\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Nominal Torque<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-tnom\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Torque in lb\u00b7ft<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-tlbft\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Torque in kgf\u00b7cm<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-tkgcm\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Angular Velocity<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-omega\">\u2014<\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Theory -->\n<div class=\"vc-section vc-open\" id=\"vc-sec-theory\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\">\n        <span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Theory &amp; Formulas<\/span><\/span>\n        <svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner vc-theory\">\n            <h3>Torque from Power &amp; Speed<\/h3>\n            <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\n            <p>The constant 9549 = 60000 \/ (2\u03c0), converting kW and RPM to N\u00b7m.<\/p>\n\n            <h3>Design Torque with Service Factor<\/h3>\n            <div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div>\n\n            <h3>Torque from Force &amp; Radius<\/h3>\n            <div class=\"vc-formula-box\" id=\"vc-katex-3\"><\/div>\n            <p>Where F is tangential force in N and r is the lever arm in meters.<\/p>\n\n            <h3>Service Factors Table<\/h3>\n            <table class=\"vc-table\">\n                <thead><tr><th>K<sub>A<\/sub><\/th><th>Load Type<\/th><th>Driven Machine Examples<\/th><\/tr><\/thead>\n                <tbody>\n                    <tr><td>1.0<\/td><td>Uniform<\/td><td>Fans, centrifugal pumps, generators<\/td><\/tr>\n                    <tr><td>1.25<\/td><td>Light shocks<\/td><td>Belt conveyors, blowers, light mixers<\/td><\/tr>\n                    <tr><td>1.5<\/td><td>Moderate shocks<\/td><td>Reciprocating compressors, screw conveyors, positive displacement pumps<\/td><\/tr>\n                    <tr><td>1.75<\/td><td>Heavy shocks<\/td><td>Ball mills, rubber mills, heavy mixers<\/td><\/tr>\n                    <tr><td>2.0<\/td><td>Very heavy shocks<\/td><td>Crushers, sugar mills, steel rolling mills<\/td><\/tr>\n                    <tr><td>2.5<\/td><td>Severe reversing<\/td><td>Reversing rolling mills, vibrating screens<\/td><\/tr>\n                    <tr><td>3.0<\/td><td>Extreme<\/td><td>Presses, shears, hammer mills<\/td><\/tr>\n                <\/tbody>\n            <\/table>\n\n            <div class=\"vc-info-box\">\n                <p><strong>Tip:<\/strong> When the driving machine (motor) also has pulsating output (e.g., single-cylinder engine), multiply K<sub>A<\/sub> by an additional motor factor (typically 1.25\u20132.0).<\/p>\n            <\/div>\n\n            <div class=\"vc-example-box\">\n                <div class=\"vc-example-title\">Example \u2014 Pump Drive<\/div>\n                <p><strong>Given:<\/strong> P = 15 kW, n = 1500 RPM, K<sub>A<\/sub> = 1.5<\/p>\n                <p>T<sub>n<\/sub> = 9549 \u00d7 15 \/ 1500 = <strong>95.5 N\u00b7m<\/strong><\/p>\n                <p>T<sub>design<\/sub> = 1.5 \u00d7 95.5 = <strong>143.2 N\u00b7m<\/strong><\/p>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Related -->\n<div class=\"vc-section\" id=\"vc-sec-related\">\n    <button type=\"button\" 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Calculator<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- FAQ -->\n<div class=\"vc-section\" id=\"vc-sec-faq\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\u2753<\/span><span class=\"vc-section-title\">Frequently Asked Questions<\/span><\/span>\n        <svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner\">\n            <div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-promo\">\n    <div class=\"vc-promo-text\"><strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>Professional field balancing instruments and software. Used in 50+ countries.<\/div>\n    <a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a>\n<\/div>\n\n<footer class=\"vc-footer\">\n    <p>\u00a9 2024\u20132025 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p>\n    <p style=\"font-size:12px;margin-top:4px;\">Last updated: February 2025<\/p>\n    <div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div>\n<\/footer>\n\n<\/div>\n\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.js\"><\/script>\n<script>\n(function(){\n    'use strict';\n    var SLUG='coupling-torque-calculator';\n    var mode='power';\n\n    function $(id){return document.getElementById(id)}\n    function fmt(n,d){if(isNaN(n)||!isFinite(n))return '\u2014';var f=n.toFixed(d===undefined?2:d);return f.replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\n\n    function calculate(){\n        if(mode==='power'){\n            var P=parseFloat($('vc-power').value);\n            var n=parseFloat($('vc-speed').value);\n            var KA=parseFloat($('vc-sf').value);\n            if(!P||P<=0||!n||n<=0){$('vc-results').classList.remove('vc-visible');return}\n            var Tn=9549*P\/n;\n            var Td=KA*Tn;\n            var omega=2*Math.PI*n\/60;\n            $('vc-r-main-label').textContent='Design Torque (with Service Factor)';\n            $('vc-r-tdesign').innerHTML=fmt(Td,1)+' <span class=\"vc-rcard-unit\">N\u00b7m<\/span>';\n            $('vc-r-tnom').innerHTML=fmt(Tn,1)+' <span class=\"vc-rcard-unit\">N\u00b7m<\/span>';\n            $('vc-r-tlbft').innerHTML=fmt(Td*0.7376,2)+' <span class=\"vc-rcard-unit\">lb\u00b7ft<\/span>';\n            $('vc-r-tkgcm').innerHTML=fmt(Td*10.197,1)+' <span class=\"vc-rcard-unit\">kgf\u00b7cm<\/span>';\n            $('vc-r-omega').innerHTML=fmt(omega,2)+' <span class=\"vc-rcard-unit\">rad\/s<\/span>';\n        } else {\n            var F=parseFloat($('vc-force').value);\n            var r=parseFloat($('vc-radius').value);\n            if(!F||F<=0||!r||r<=0){$('vc-results').classList.remove('vc-visible');return}\n            var T=F*(r\/1000);\n            $('vc-r-main-label').textContent='Torque (T = F \u00d7 r)';\n            $('vc-r-tdesign').innerHTML=fmt(T,1)+' <span class=\"vc-rcard-unit\">N\u00b7m<\/span>';\n            $('vc-r-tnom').innerHTML=fmt(F,0)+' <span class=\"vc-rcard-unit\">N<\/span> \u00d7 '+fmt(r,1)+' <span class=\"vc-rcard-unit\">mm<\/span>';\n            $('vc-r-tlbft').innerHTML=fmt(T*0.7376,2)+' <span class=\"vc-rcard-unit\">lb\u00b7ft<\/span>';\n            $('vc-r-tkgcm').innerHTML=fmt(T*10.197,1)+' <span class=\"vc-rcard-unit\">kgf\u00b7cm<\/span>';\n            $('vc-r-omega').innerHTML='\u2014';\n        }\n        $('vc-results').classList.add('vc-visible');\n    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$('vc-mode-force').style.display='none';\n            $('vc-power').value=this.getAttribute('data-p');\n            $('vc-speed').value=this.getAttribute('data-s');\n            $('vc-sf').value=this.getAttribute('data-sf');\n            calculate();\n        });\n    });\n\n    $('vc-form').addEventListener('input',calculate);\n    $('vc-form').addEventListener('change',calculate);\n\n    $('vc-copy-btn').addEventListener('click',function(){\n        var text='Coupling Torque Calculation\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\n'+$('vc-r-main-label').textContent+': '+$('vc-r-tdesign').textContent+'\\nNominal: '+$('vc-r-tnom').textContent+'\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nvibromera.eu\/calculators\/'+SLUG+'\/';\n        if(navigator.clipboard){navigator.clipboard.writeText(text).then(function(){\n            var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg> Copied!';\n            setTimeout(function(){b.classList.remove('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy'},2000);\n        })}\n    });\n\n    document.querySelectorAll('.vc-section-toggle').forEach(function(btn){\n        btn.addEventListener('click',function(){var s=this.closest('.vc-section');s.classList.toggle('vc-open');this.setAttribute('aria-expanded',s.classList.contains('vc-open'))});\n    });\n\n    var faqData=[\n        {q:'What is the formula for torque from power and speed?',a:'<p>The formula is T = P \u00d7 9549 \/ n, where T is torque in N\u00b7m, P is power in kW, and n is rotational speed in RPM. The constant 9549 comes from 60000\/(2\u03c0).<\/p>'},\n        {q:'Why do we need a service factor for coupling torque?',a:'<p>Service factors account for dynamic loads beyond steady-state nominal torque. Shock loads, cyclic variations, and starting torques can significantly exceed nominal values. The service factor ensures the coupling handles peak loads without damage.<\/p>'},\n        {q:'What is T = F \u00d7 r and when do I use it?',a:'<p>T = F \u00d7 r calculates torque from a tangential force F (Newtons) applied at radius r (meters) from the shaft center. Use this when you know the force acting on a lever arm, gear tooth, or coupling bolt circle.<\/p>'},\n        {q:'How do I convert between N\u00b7m and other torque units?',a:'<p>Common conversions:<\/p><ul><li>1 N\u00b7m = 0.7376 lb\u00b7ft<\/li><li>1 N\u00b7m = 8.851 lb\u00b7in<\/li><li>1 N\u00b7m = 10.197 kgf\u00b7cm<\/li><li>1 kW = 1.341 HP<\/li><\/ul>'},\n        {q:'What service factor should I use for my application?',a:'<p>Uniform loads (fans, pumps): 1.0\u20131.5. Moderate shock (compressors, conveyors): 1.5\u20132.0. Heavy shock (crushers, mills, presses): 2.0\u20133.0+. Always verify with the coupling manufacturer\\'s catalog.<\/p>'}\n    ];\n    var fl=$('vc-faq-list');\n    faqData.forEach(function(f){fl.innerHTML+='<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>'+f.q+'<\/span><svg class=\"vc-faq-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button><div class=\"vc-faq-a\"><div class=\"vc-faq-a-inner\">'+f.a+'<\/div><\/div><\/div>'});\n    fl.addEventListener('click',function(e){var b=e.target.closest('.vc-faq-q');if(b)b.closest('.vc-faq-item').classList.toggle('vc-open')});\n\n    function renderFormulas(){\n        try{\n            katex.render('T_n = \\\\frac{P \\\\times 9549}{n} \\\\quad [\\\\text{N\u00b7m}]',$('vc-katex-1'),{displayMode:true,throwOnError:false});\n            katex.render('T_{design} = K_A \\\\times T_n',$('vc-katex-2'),{displayMode:true,throwOnError:false});\n            katex.render('T = F \\\\times r \\\\quad [\\\\text{N\u00b7m}]',$('vc-katex-3'),{displayMode:true,throwOnError:false});\n        }catch(e){}\n    }\n\n    function init(){renderFormulas();calculate()}\n    if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',init)}else{init()}\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>\u09ac\u09bf\u09a8\u09be\u09ae\u09c2\u09b2\u09cd\u09af\u09c7 \u0985\u09a8\u09b2\u09be\u0987\u09a8 \u0995\u09be\u09aa\u09b2\u09bf\u0982 \u099f\u09b0\u09cd\u0995 \u0995\u09cd\u09af\u09be\u09b2\u0995\u09c1\u09b2\u09c7\u099f\u09b0\u0964 T = P\u00d79549\/n \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u0997\u09a4\u09bf \u09a5\u09c7\u0995\u09c7 \u099f\u09b0\u09cd\u0995 \u0997\u09a3\u09a8\u09be \u0995\u09b0\u09c1\u09a8\u0964 \u09b8\u09c7\u09ac\u09be \u0995\u09be\u09b0\u09a3 \u09b8\u09be\u09b0\u09a3\u09c0 \u098f\u09ac\u0982 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u09ac\u09b2 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 T = F\u00d7r \u0985\u09a8\u09cd\u09a4\u09b0\u09cd\u09ad\u09c1\u0995\u09cd\u09a4\u0964<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100067","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100067\/revisions"}],"predecessor-version":[{"id":100382,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100067\/revisions\/100382"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/media?parent=100067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/categories?post=100067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/tags?post=100067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}