Online Steel Pipe & Tube Weight Calculator | Free Tool<\/title>\n <style>\n @import url('https:\/\/fonts.googleapis.com\/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap');\n \n \/* All styles scoped to #pipe-weight-calculator *\/\n #pipe-weight-calculator {\n font-family: 'Inter', sans-serif;\n background: #ffffff;\n color: #1f2937;\n max-width: 1200px;\n margin: 0 auto;\n padding: 32px 16px;\n box-sizing: border-box;\n }\n \n #pipe-weight-calculator *,\n #pipe-weight-calculator *::before,\n #pipe-weight-calculator *::after {\n box-sizing: border-box;\n }\n \n #pipe-weight-calculator .pwc-mono {\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-main-title {\n font-size: 28px;\n font-weight: 700;\n color: #111827;\n margin-bottom: 24px;\n text-align: left;\n }\n \n #pipe-weight-calculator .pwc-card {\n background: #ffffff;\n border-radius: 16px;\n padding: 24px;\n border: 1px solid #e5e7eb;\n box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);\n }\n \n #pipe-weight-calculator .pwc-title {\n font-size: 18px;\n font-weight: 600;\n color: #111827;\n margin-bottom: 16px;\n display: flex;\n align-items: center;\n gap: 8px;\n }\n \n #pipe-weight-calculator .pwc-title svg {\n width: 20px;\n height: 20px;\n color: #3b82f6;\n }\n \n #pipe-weight-calculator .pwc-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 16px;\n }\n \n #pipe-weight-calculator .pwc-form-group {\n display: flex;\n flex-direction: column;\n }\n \n #pipe-weight-calculator .pwc-label {\n display: block;\n font-size: 14px;\n font-weight: 500;\n color: #374151;\n margin-bottom: 8px;\n }\n \n #pipe-weight-calculator .pwc-label-unit {\n color: #3b82f6;\n }\n \n #pipe-weight-calculator .pwc-label-hint {\n font-size: 12px;\n color: #6b7280;\n margin-left: 8px;\n }\n \n #pipe-weight-calculator .pwc-input {\n width: 100%;\n padding: 12px 16px;\n border: 1px solid #d1d5db;\n border-radius: 8px;\n font-size: 14px;\n color: #1f2937;\n background: #ffffff;\n transition: all 0.3s ease;\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-input:focus {\n border-color: #3b82f6;\n box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);\n outline: none;\n }\n \n #pipe-weight-calculator .pwc-select {\n width: 100%;\n padding: 12px 16px;\n border: 1px solid #d1d5db;\n border-radius: 8px;\n font-size: 14px;\n color: #1f2937;\n background: #ffffff;\n cursor: pointer;\n transition: all 0.3s ease;\n }\n \n #pipe-weight-calculator .pwc-select:focus {\n border-color: #3b82f6;\n box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);\n outline: none;\n }\n \n #pipe-weight-calculator .pwc-btn-container {\n grid-column: span 2;\n display: flex;\n justify-content: center;\n margin-top: 8px;\n }\n \n #pipe-weight-calculator .pwc-btn {\n padding: 12px 64px;\n background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);\n color: #ffffff;\n font-size: 14px;\n font-weight: 500;\n border: none;\n border-radius: 8px;\n cursor: pointer;\n transition: all 0.3s ease;\n }\n \n #pipe-weight-calculator .pwc-btn:hover {\n transform: translateY(-2px);\n box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);\n }\n \n #pipe-weight-calculator .pwc-results {\n margin-top: 32px;\n padding-top: 24px;\n border-top: 1px solid #e5e7eb;\n display: none;\n }\n \n #pipe-weight-calculator .pwc-results.pwc-show {\n display: block;\n }\n \n #pipe-weight-calculator .pwc-result-card {\n background: #f9fafb;\n border: 1px solid #e5e7eb;\n border-radius: 12px;\n padding: 16px;\n }\n \n #pipe-weight-calculator .pwc-result-label {\n font-size: 14px;\n color: #6b7280;\n margin-bottom: 4px;\n }\n \n #pipe-weight-calculator .pwc-result-value {\n display: flex;\n align-items: baseline;\n gap: 8px;\n }\n \n #pipe-weight-calculator .pwc-result-number {\n font-size: 30px;\n font-weight: 700;\n color: #111827;\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-result-number-sm {\n font-size: 20px;\n font-weight: 600;\n color: #111827;\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-result-unit {\n font-size: 18px;\n color: #3b82f6;\n }\n \n #pipe-weight-calculator .pwc-result-unit-sm {\n font-size: 14px;\n color: #3b82f6;\n }\n \n @media (max-width: 640px) {\n #pipe-weight-calculator .pwc-grid {\n grid-template-columns: 1fr;\n }\n \n #pipe-weight-calculator .pwc-btn-container {\n grid-column: span 1;\n }\n }\n <\/style>\n<\/head>\n<body>\n \n <div id=\"pipe-weight-calculator\">\n <h1 class=\"pwc-main-title\">Calculator<\/h1>\n <div class=\"pwc-card\">\n <h2 class=\"pwc-title\">\n <svg fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z\"\/>\n <\/svg>\n Input Parameters\n <\/h2>\n \n <div class=\"pwc-grid\">\n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Outer Diameter <span class=\"pwc-label-unit\">(mm)<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-outerDiameter\" step=\"0.01\" min=\"0\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Wall Thickness <span class=\"pwc-label-unit\">(mm)<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-wallThickness\" step=\"0.01\" min=\"0\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Length <span class=\"pwc-label-unit\">(m)<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-length\" step=\"0.01\" min=\"0\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">Material<\/label>\n <select id=\"pwc-material\" class=\"pwc-select\" onchange=\"PipeWeightCalc.updateDensity()\">\n <option value=\"steel\">Carbon Steel<\/option>\n <option value=\"stainless\">Stainless Steel<\/option>\n <option value=\"aluminum\">Aluminum<\/option>\n <option value=\"copper\">Copper<\/option>\n <option value=\"custom\">Custom Density<\/option>\n <\/select>\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Density <span class=\"pwc-label-unit\">(kg\/m\u00b3)<\/span>\n <span id=\"pwc-densityHint\" class=\"pwc-label-hint\">Steel: 7850<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-density\" step=\"1\" min=\"0\" value=\"7850\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\"><\/div>\n \n \n <div class=\"pwc-btn-container\">\n <button type=\"button\" onclick=\"PipeWeightCalc.calculate()\" class=\"pwc-btn\">\n Calculate\n <\/button>\n <\/div>\n <\/div>\n \n \n <div id=\"pwc-resultsSection\" class=\"pwc-results\">\n <h2 class=\"pwc-title\">\n <svg fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z\"\/>\n <\/svg>\n Calculation Results\n <\/h2>\n \n <div class=\"pwc-grid\">\n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Total Weight<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-totalWeight\" class=\"pwc-result-number\">0.00<\/span>\n <span class=\"pwc-result-unit\">kg<\/span>\n <\/div>\n <\/div>\n \n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Weight per Meter<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-weightPerMeter\" class=\"pwc-result-number\">0.00<\/span>\n <span class=\"pwc-result-unit\">kg\/m<\/span>\n <\/div>\n <\/div>\n \n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Inner Diameter<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-innerDiameter\" class=\"pwc-result-number-sm\">0.00<\/span>\n <span class=\"pwc-result-unit-sm\">mm<\/span>\n <\/div>\n <\/div>\n \n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Cross-Section Area<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-crossSection\" class=\"pwc-result-number-sm\">0.00<\/span>\n <span class=\"pwc-result-unit-sm\">mm\u00b2<\/span>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n \/\/ Namespaced calculator to avoid conflicts with WordPress\n var PipeWeightCalc = (function() {\n \/\/ Constants\n var DENSITIES = {\n steel: 7850,\n stainless: 7930,\n aluminum: 2700,\n copper: 8960\n };\n \n var materialNames = {\n steel: 'Steel',\n stainless: 'Stainless Steel',\n aluminum: 'Aluminum',\n copper: 'Copper'\n };\n \n \/\/ Update density based on material selection\n function updateDensity() {\n var material = document.getElementById('pwc-material').value;\n var densityInput = document.getElementById('pwc-density');\n var densityHint = document.getElementById('pwc-densityHint');\n \n if (material === 'custom') {\n densityHint.textContent = 'Enter custom value';\n } else {\n var density = DENSITIES[material];\n densityInput.value = density;\n densityHint.textContent = materialNames[material] + ': ' + density;\n }\n }\n \n \/\/ Main calculation function\n function calculate() {\n var od = parseFloat(document.getElementById('pwc-outerDiameter').value) || 0;\n var wt = parseFloat(document.getElementById('pwc-wallThickness').value) || 0;\n var length = parseFloat(document.getElementById('pwc-length').value) || 0;\n var density = parseFloat(document.getElementById('pwc-density').value) || 0;\n \n var resultsSection = document.getElementById('pwc-resultsSection');\n \n \/\/ Validation\n if (od <= 0 || wt <= 0 || length <= 0 || density <= 0) {\n resultsSection.classList.remove('pwc-show');\n return;\n }\n \n if (wt >= od \/ 2) {\n resultsSection.classList.remove('pwc-show');\n return;\n }\n \n \/\/ Calculate using the formula: Weight = \u03c0 \u00d7 (OD - WT) \u00d7 WT \u00d7 L \u00d7 \u03c1\n var meanDiameter = od - wt; \/\/ mm\n var crossSectionArea = Math.PI * meanDiameter * wt; \/\/ mm\u00b2\n var volume = crossSectionArea * length * 1000; \/\/ mm\u00b3 (length converted to mm)\n var volumeM3 = volume \/ 1e9; \/\/ m\u00b3\n var weightKg = volumeM3 * density; \/\/ kg\n var weightPerMeterKg = weightKg \/ length; \/\/ kg\/m\n \n \/\/ Inner diameter\n var innerDiameter = od - 2 * wt; \/\/ mm\n \n \/\/ Update results\n document.getElementById('pwc-totalWeight').textContent = weightKg.toFixed(2);\n document.getElementById('pwc-weightPerMeter').textContent = weightPerMeterKg.toFixed(3);\n document.getElementById('pwc-innerDiameter').textContent = innerDiameter.toFixed(2);\n document.getElementById('pwc-crossSection').textContent = crossSectionArea.toFixed(2);\n \n \/\/ Show results section\n resultsSection.classList.add('pwc-show');\n }\n \n \/\/ Public API\n return {\n updateDensity: updateDensity,\n calculate: calculate\n };\n })();\n <\/script>\n<\/body>\n<\/html>\n\n","protected":false},"excerpt":{"rendered":"<p>The Online Steel Pipe & Tube Weight Calculator is a practical engineering tool designed to quickly calculate the theoretical weight of steel pipes and tubes…<\/p>","protected":false},"author":2,"featured_media":24291,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8413],"tags":[8459,8458,8456,8457],"class_list":["post-24290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unit-and-industry-standard-conversion","tag-pipe-weight-tool","tag-steel-pipe-weight","tag-steel-tube-weight","tag-tube-weight-calculator","pmpro-has-access"],"acf":[],"jetpack_featured_media_url":"https:\/\/www.mechstream.com\/wp-content\/uploads\/2026\/02\/Online-Steel-Pipe-Tube-Weight-Calculator.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/posts\/24290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/comments?post=24290"}],"version-history":[{"count":0,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/posts\/24290\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/media\/24291"}],"wp:attachment":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/media?parent=24290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/categories?post=24290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/tags?post=24290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":24290,"date":"2026-02-11T01:16:56","date_gmt":"2026-02-11T01:16:56","guid":{"rendered":"https:\/\/www.mechstream.com\/?p=24290"},"modified":"2026-02-11T05:31:36","modified_gmt":"2026-02-11T05:31:36","slug":"online-steel-pipe-tube-weight-calculator","status":"publish","type":"post","link":"https:\/\/www.mechstream.com\/pt\/online-steel-pipe-tube-weight-calculator\/","title":{"rendered":"Online Steel Pipe & Tube Weight Calculator"},"content":{"rendered":"\n

The Online Steel Pipe & Tube Weight Calculator<\/strong> is a practical engineering tool designed to quickly calculate the theoretical weight of steel pipes and tubes based on outer diameter, wall thickness, length, and material density. Widely used in metal fabrication, structural design, and manufacturing planning, this calculator helps engineers, buyers, and workshop operators accurately estimate material weight for cost calculation, logistics planning, and load evaluation. By using standard steel density values and precise geometric formulas, the Online Steel Pipe & Tube Weight Calculator ensures fast, reliable results without manual calculations, improving efficiency and reducing estimation errors in daily engineering work.<\/p>\n\n\n\n\n\n\n \n \n \n \n Online Steel Pipe & Tube Weight Calculator | Free Tool<\/title>\n <style>\n @import url('https:\/\/fonts.googleapis.com\/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap');\n \n \/* All styles scoped to #pipe-weight-calculator *\/\n #pipe-weight-calculator {\n font-family: 'Inter', sans-serif;\n background: #ffffff;\n color: #1f2937;\n max-width: 1200px;\n margin: 0 auto;\n padding: 32px 16px;\n box-sizing: border-box;\n }\n \n #pipe-weight-calculator *,\n #pipe-weight-calculator *::before,\n #pipe-weight-calculator *::after {\n box-sizing: border-box;\n }\n \n #pipe-weight-calculator .pwc-mono {\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-main-title {\n font-size: 28px;\n font-weight: 700;\n color: #111827;\n margin-bottom: 24px;\n text-align: left;\n }\n \n #pipe-weight-calculator .pwc-card {\n background: #ffffff;\n border-radius: 16px;\n padding: 24px;\n border: 1px solid #e5e7eb;\n box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);\n }\n \n #pipe-weight-calculator .pwc-title {\n font-size: 18px;\n font-weight: 600;\n color: #111827;\n margin-bottom: 16px;\n display: flex;\n align-items: center;\n gap: 8px;\n }\n \n #pipe-weight-calculator .pwc-title svg {\n width: 20px;\n height: 20px;\n color: #3b82f6;\n }\n \n #pipe-weight-calculator .pwc-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 16px;\n }\n \n #pipe-weight-calculator .pwc-form-group {\n display: flex;\n flex-direction: column;\n }\n \n #pipe-weight-calculator .pwc-label {\n display: block;\n font-size: 14px;\n font-weight: 500;\n color: #374151;\n margin-bottom: 8px;\n }\n \n #pipe-weight-calculator .pwc-label-unit {\n color: #3b82f6;\n }\n \n #pipe-weight-calculator .pwc-label-hint {\n font-size: 12px;\n color: #6b7280;\n margin-left: 8px;\n }\n \n #pipe-weight-calculator .pwc-input {\n width: 100%;\n padding: 12px 16px;\n border: 1px solid #d1d5db;\n border-radius: 8px;\n font-size: 14px;\n color: #1f2937;\n background: #ffffff;\n transition: all 0.3s ease;\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-input:focus {\n border-color: #3b82f6;\n box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);\n outline: none;\n }\n \n #pipe-weight-calculator .pwc-select {\n width: 100%;\n padding: 12px 16px;\n border: 1px solid #d1d5db;\n border-radius: 8px;\n font-size: 14px;\n color: #1f2937;\n background: #ffffff;\n cursor: pointer;\n transition: all 0.3s ease;\n }\n \n #pipe-weight-calculator .pwc-select:focus {\n border-color: #3b82f6;\n box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);\n outline: none;\n }\n \n #pipe-weight-calculator .pwc-btn-container {\n grid-column: span 2;\n display: flex;\n justify-content: center;\n margin-top: 8px;\n }\n \n #pipe-weight-calculator .pwc-btn {\n padding: 12px 64px;\n background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);\n color: #ffffff;\n font-size: 14px;\n font-weight: 500;\n border: none;\n border-radius: 8px;\n cursor: pointer;\n transition: all 0.3s ease;\n }\n \n #pipe-weight-calculator .pwc-btn:hover {\n transform: translateY(-2px);\n box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);\n }\n \n #pipe-weight-calculator .pwc-results {\n margin-top: 32px;\n padding-top: 24px;\n border-top: 1px solid #e5e7eb;\n display: none;\n }\n \n #pipe-weight-calculator .pwc-results.pwc-show {\n display: block;\n }\n \n #pipe-weight-calculator .pwc-result-card {\n background: #f9fafb;\n border: 1px solid #e5e7eb;\n border-radius: 12px;\n padding: 16px;\n }\n \n #pipe-weight-calculator .pwc-result-label {\n font-size: 14px;\n color: #6b7280;\n margin-bottom: 4px;\n }\n \n #pipe-weight-calculator .pwc-result-value {\n display: flex;\n align-items: baseline;\n gap: 8px;\n }\n \n #pipe-weight-calculator .pwc-result-number {\n font-size: 30px;\n font-weight: 700;\n color: #111827;\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-result-number-sm {\n font-size: 20px;\n font-weight: 600;\n color: #111827;\n font-family: 'JetBrains Mono', monospace;\n }\n \n #pipe-weight-calculator .pwc-result-unit {\n font-size: 18px;\n color: #3b82f6;\n }\n \n #pipe-weight-calculator .pwc-result-unit-sm {\n font-size: 14px;\n color: #3b82f6;\n }\n \n @media (max-width: 640px) {\n #pipe-weight-calculator .pwc-grid {\n grid-template-columns: 1fr;\n }\n \n #pipe-weight-calculator .pwc-btn-container {\n grid-column: span 1;\n }\n }\n <\/style>\n<\/head>\n<body>\n \n <div id=\"pipe-weight-calculator\">\n <h1 class=\"pwc-main-title\">Calculator<\/h1>\n <div class=\"pwc-card\">\n <h2 class=\"pwc-title\">\n <svg fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z\"\/>\n <\/svg>\n Input Parameters\n <\/h2>\n \n <div class=\"pwc-grid\">\n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Outer Diameter <span class=\"pwc-label-unit\">(mm)<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-outerDiameter\" step=\"0.01\" min=\"0\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Wall Thickness <span class=\"pwc-label-unit\">(mm)<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-wallThickness\" step=\"0.01\" min=\"0\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Length <span class=\"pwc-label-unit\">(m)<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-length\" step=\"0.01\" min=\"0\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">Material<\/label>\n <select id=\"pwc-material\" class=\"pwc-select\" onchange=\"PipeWeightCalc.updateDensity()\">\n <option value=\"steel\">Carbon Steel<\/option>\n <option value=\"stainless\">Stainless Steel<\/option>\n <option value=\"aluminum\">Aluminum<\/option>\n <option value=\"copper\">Copper<\/option>\n <option value=\"custom\">Custom Density<\/option>\n <\/select>\n <\/div>\n \n \n <div class=\"pwc-form-group\">\n <label class=\"pwc-label\">\n Density <span class=\"pwc-label-unit\">(kg\/m\u00b3)<\/span>\n <span id=\"pwc-densityHint\" class=\"pwc-label-hint\">Steel: 7850<\/span>\n <\/label>\n <input type=\"number\" id=\"pwc-density\" step=\"1\" min=\"0\" value=\"7850\" class=\"pwc-input\">\n <\/div>\n \n \n <div class=\"pwc-form-group\"><\/div>\n \n \n <div class=\"pwc-btn-container\">\n <button type=\"button\" onclick=\"PipeWeightCalc.calculate()\" class=\"pwc-btn\">\n Calculate\n <\/button>\n <\/div>\n <\/div>\n \n \n <div id=\"pwc-resultsSection\" class=\"pwc-results\">\n <h2 class=\"pwc-title\">\n <svg fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z\"\/>\n <\/svg>\n Calculation Results\n <\/h2>\n \n <div class=\"pwc-grid\">\n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Total Weight<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-totalWeight\" class=\"pwc-result-number\">0.00<\/span>\n <span class=\"pwc-result-unit\">kg<\/span>\n <\/div>\n <\/div>\n \n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Weight per Meter<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-weightPerMeter\" class=\"pwc-result-number\">0.00<\/span>\n <span class=\"pwc-result-unit\">kg\/m<\/span>\n <\/div>\n <\/div>\n \n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Inner Diameter<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-innerDiameter\" class=\"pwc-result-number-sm\">0.00<\/span>\n <span class=\"pwc-result-unit-sm\">mm<\/span>\n <\/div>\n <\/div>\n \n \n <div class=\"pwc-result-card\">\n <div class=\"pwc-result-label\">Cross-Section Area<\/div>\n <div class=\"pwc-result-value\">\n <span id=\"pwc-crossSection\" class=\"pwc-result-number-sm\">0.00<\/span>\n <span class=\"pwc-result-unit-sm\">mm\u00b2<\/span>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n \/\/ Namespaced calculator to avoid conflicts with WordPress\n var PipeWeightCalc = (function() {\n \/\/ Constants\n var DENSITIES = {\n steel: 7850,\n stainless: 7930,\n aluminum: 2700,\n copper: 8960\n };\n \n var materialNames = {\n steel: 'Steel',\n stainless: 'Stainless Steel',\n aluminum: 'Aluminum',\n copper: 'Copper'\n };\n \n \/\/ Update density based on material selection\n function updateDensity() {\n var material = document.getElementById('pwc-material').value;\n var densityInput = document.getElementById('pwc-density');\n var densityHint = document.getElementById('pwc-densityHint');\n \n if (material === 'custom') {\n densityHint.textContent = 'Enter custom value';\n } else {\n var density = DENSITIES[material];\n densityInput.value = density;\n densityHint.textContent = materialNames[material] + ': ' + density;\n }\n }\n \n \/\/ Main calculation function\n function calculate() {\n var od = parseFloat(document.getElementById('pwc-outerDiameter').value) || 0;\n var wt = parseFloat(document.getElementById('pwc-wallThickness').value) || 0;\n var length = parseFloat(document.getElementById('pwc-length').value) || 0;\n var density = parseFloat(document.getElementById('pwc-density').value) || 0;\n \n var resultsSection = document.getElementById('pwc-resultsSection');\n \n \/\/ Validation\n if (od <= 0 || wt <= 0 || length <= 0 || density <= 0) {\n resultsSection.classList.remove('pwc-show');\n return;\n }\n \n if (wt >= od \/ 2) {\n resultsSection.classList.remove('pwc-show');\n return;\n }\n \n \/\/ Calculate using the formula: Weight = \u03c0 \u00d7 (OD - WT) \u00d7 WT \u00d7 L \u00d7 \u03c1\n var meanDiameter = od - wt; \/\/ mm\n var crossSectionArea = Math.PI * meanDiameter * wt; \/\/ mm\u00b2\n var volume = crossSectionArea * length * 1000; \/\/ mm\u00b3 (length converted to mm)\n var volumeM3 = volume \/ 1e9; \/\/ m\u00b3\n var weightKg = volumeM3 * density; \/\/ kg\n var weightPerMeterKg = weightKg \/ length; \/\/ kg\/m\n \n \/\/ Inner diameter\n var innerDiameter = od - 2 * wt; \/\/ mm\n \n \/\/ Update results\n document.getElementById('pwc-totalWeight').textContent = weightKg.toFixed(2);\n document.getElementById('pwc-weightPerMeter').textContent = weightPerMeterKg.toFixed(3);\n document.getElementById('pwc-innerDiameter').textContent = innerDiameter.toFixed(2);\n document.getElementById('pwc-crossSection').textContent = crossSectionArea.toFixed(2);\n \n \/\/ Show results section\n resultsSection.classList.add('pwc-show');\n }\n \n \/\/ Public API\n return {\n updateDensity: updateDensity,\n calculate: calculate\n };\n })();\n <\/script>\n<\/body>\n<\/html>\n\n","protected":false},"excerpt":{"rendered":"<p>The Online Steel Pipe & Tube Weight Calculator is a practical engineering tool designed to quickly calculate the theoretical weight of steel pipes and tubes…<\/p>","protected":false},"author":2,"featured_media":24291,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8413],"tags":[8459,8458,8456,8457],"class_list":["post-24290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unit-and-industry-standard-conversion","tag-pipe-weight-tool","tag-steel-pipe-weight","tag-steel-tube-weight","tag-tube-weight-calculator","pmpro-has-access"],"acf":[],"jetpack_featured_media_url":"https:\/\/www.mechstream.com\/wp-content\/uploads\/2026\/02\/Online-Steel-Pipe-Tube-Weight-Calculator.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/posts\/24290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/comments?post=24290"}],"version-history":[{"count":0,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/posts\/24290\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/media\/24291"}],"wp:attachment":[{"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/media?parent=24290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/categories?post=24290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mechstream.com\/pt\/wp-json\/wp\/v2\/tags?post=24290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}