{"id":100132,"date":"2026-02-15T20:19:29","date_gmt":"2026-02-15T20:19:29","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100132"},"modified":"2026-04-05T15:42:26","modified_gmt":"2026-04-05T15:42:26","slug":"hydraulic-cylinder-calculator","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/nb\/calculators\/hydraulic-cylinder-calculator\/","title":{"rendered":"Kalkulator for hydrauliske sylindere | ISO 3320 | Vibromera"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Hydraulic Cylinder Calculator\",\"description\":\"Calculate hydraulic cylinder force, speed, and power per ISO 3320.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/hydraulic-cylinder-calculator\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"}}<\/script>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"How do I calculate hydraulic cylinder force?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Push force: F = P \u00d7 A_bore = P \u00d7 \u03c0\/4 \u00d7 D\u00b2. Pull force: F = P \u00d7 A_annular = P \u00d7 \u03c0\/4 \u00d7 (D\u00b2 \u2212 d\u00b2). Where P is pressure, D is bore diameter, d is rod diameter. Convert bar to Pa (\u00d710\u2075) or use F(kN) = P(bar) \u00d7 A(cm\u00b2) \/ 100.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I calculate cylinder speed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Extension speed: v = Q \/ A_bore. Retraction speed: v = Q \/ A_annular. Since annular area is smaller, retraction is faster for the same flow rate. Convert units: v(m\/s) = Q(L\/min) \/ (A(cm\u00b2) \u00d7 6).\"}},\n{\"@type\":\"Question\",\"name\":\"What are ISO 3320 standard bore sizes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ISO 3320 standard bore diameters (mm): 25, 32, 40, 50, 63, 80, 100, 125, 160, 200, 250, 320, 400, 500. Rod diameters follow ISO 3320-2 series.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I calculate required hydraulic power?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Hydraulic power P_hyd = p \u00d7 Q, where p is pressure and Q is flow rate. P(kW) = p(bar) \u00d7 Q(L\/min) \/ 600. This is the power at the cylinder \u2014 pump power is higher due to system losses (typically \u00f70.85 overall efficiency).\"}},\n{\"@type\":\"Question\",\"name\":\"What is the speed ratio between push and pull?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Speed ratio = A_bore \/ A_annular = D\u00b2 \/ (D\u00b2 \u2212 d\u00b2). For a typical 2:1 ratio cylinder (d \u2248 0.707\u00d7D), retraction is 2\u00d7 faster than extension at the same flow rate.\"}}\n]}<\/script>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hydraulic Cylinder\",\"item\":\"https:\/\/vibromera.eu\/calculators\/hydraulic-cylinder-calculator\/\"}]}<\/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 href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&#038;family=JetBrains+Mono:wght@400;500;600&#038;family=Fraunces:opsz,wght@9..144,700;9..144,800&#038;display=swap\" rel=\"stylesheet\">\n\n<link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.css\">\n\n<style>:root{--vc-bg:#f4f1ec;--vc-surface:#fff;--vc-surface-alt:#f8f6f2;--vc-ink:#1a1a1a;--vc-ink-secondary:#5a5650;--vc-ink-muted:#8a857e;--vc-accent:#c85a2a;--vc-accent-hover:#b04d22;--vc-accent-light:#fdf0ea;--vc-blue:#2a5c8c;--vc-blue-light:#eaf1f8;--vc-green:#2a7a4b;--vc-green-light:#eaf8ef;--vc-yellow:#a67c00;--vc-yellow-light:#fef9e8;--vc-red:#b91c1c;--vc-red-light:#fef2f2;--vc-border:#d9d4cc;--vc-border-light:#e8e4dd;--vc-shadow:0 1px 3px rgba(26,26,26,.06),0 4px 12px rgba(26,26,26,.04);--vc-radius:8px;--vc-radius-lg:12px;--vc-font:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--vc-mono:'JetBrains Mono',Consolas,Monaco,monospace;--vc-display:'Fraunces',Georgia,serif}.vc-calculator{font-family:var(--vc-font);font-size:15px;line-height:1.65;color:var(--vc-ink);max-width:960px;margin:0 auto;padding:20px 16px 40px;-webkit-font-smoothing:antialiased}.vc-calculator *,.vc-calculator *::before,.vc-calculator *::after{box-sizing:border-box}.vc-header{text-align:center;padding:48px 24px 40px;position:relative}.vc-header::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:80px;height:3px;background:var(--vc-accent);border-radius:2px}.vc-header-eyebrow{font-family:var(--vc-mono);font-size:11px;font-weight:500;letter-spacing:.15em;text-transform:uppercase;color:var(--vc-accent);margin:0 0 12px}.vc-header-title{font-family:var(--vc-display);font-size:clamp(24px,4vw,36px);font-weight:800;line-height:1.15;color:var(--vc-ink);margin:0 0 16px;letter-spacing:-.02em}.vc-header-subtitle{font-size:15px;color:var(--vc-ink-secondary);margin:0 auto 20px;max-width:600px}.vc-badges{display:inline-flex;gap:8px;flex-wrap:wrap;justify-content:center}.vc-badge{font-family:var(--vc-mono);font-size:11px;font-weight:500;padding:4px 10px;border-radius:4px;background:var(--vc-surface);border:1px solid var(--vc-border);color:var(--vc-ink-secondary)}.vc-card{background:var(--vc-surface);border:1px solid var(--vc-border);border-radius:var(--vc-radius-lg);box-shadow:var(--vc-shadow);overflow:hidden;margin-top:32px}.vc-form{padding:24px}.vc-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:600px){.vc-form-grid{grid-template-columns:1fr}}.vc-field{display:flex;flex-direction:column}.vc-label{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--vc-ink-secondary);margin-bottom:6px}.vc-label-hint{font-weight:400;text-transform:none;letter-spacing:0;color:var(--vc-ink-muted);font-size:11px}.vc-select,.vc-input{width:100%;padding:10px 12px;border:1.5px solid var(--vc-border);border-radius:6px;font-family:var(--vc-font);font-size:14px;color:var(--vc-ink);background:var(--vc-surface);transition:border-color .15s,box-shadow .15s}.vc-select{padding-right:36px;appearance:none;-webkit-appearance:none;cursor:pointer;background-image:url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' width='16' height='16' fill='none' stroke='%235a5650' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'\/%3E%3C\/svg%3E\");background-repeat:no-repeat;background-position:right 10px center}.vc-select:focus,.vc-input:focus{outline:none;border-color:var(--vc-accent);box-shadow:0 0 0 3px rgba(200,90,42,.12)}.vc-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:18px;border-top:1px solid var(--vc-border-light)}.vc-presets-label{font-family:var(--vc-mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--vc-ink-muted);width:100%;margin-bottom:2px}.vc-preset-btn{padding:5px 12px;font-family:var(--vc-font);font-size:12px;font-weight:500;border:1px solid var(--vc-border);border-radius:6px;background:var(--vc-surface-alt);color:var(--vc-ink-secondary);cursor:pointer;transition:all .15s}.vc-preset-btn:hover{border-color:var(--vc-accent);color:var(--vc-accent);background:var(--vc-accent-light)}.vc-results{border-top:1px solid var(--vc-border-light);background:var(--vc-surface-alt);padding:0;max-height:0;overflow:hidden;transition:max-height .5s cubic-bezier(.4,0,.2,1),padding .3s}.vc-results.vc-visible{max-height:2000px;padding:24px}.vc-results-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.vc-results-title{font-family:var(--vc-display);font-size:20px;font-weight:700;color:var(--vc-ink);margin:0}.vc-copy-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border:1px solid var(--vc-border);border-radius:6px;background:var(--vc-surface);font-family:var(--vc-font);font-size:12px;font-weight:500;color:var(--vc-ink-secondary);cursor:pointer;transition:all .15s}.vc-copy-btn:hover{border-color:var(--vc-accent);color:var(--vc-accent)}.vc-copy-btn.vc-copied{background:var(--vc-green-light);border-color:var(--vc-green);color:var(--vc-green)}.vc-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}@media(max-width:500px){.vc-result-grid{grid-template-columns:1fr}}.vc-rcard{background:var(--vc-surface);border:1px solid var(--vc-border-light);border-radius:var(--vc-radius);padding:16px;transition:transform .2s}.vc-rcard:hover{transform:translateY(-1px)}.vc-rcard-primary{border-color:var(--vc-accent);border-width:2px;background:linear-gradient(135deg,#fdf6f2,var(--vc-surface));grid-column:1\/-1}.vc-rcard-label{font-family:var(--vc-mono);font-size:10px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--vc-ink-muted);margin-bottom:4px}.vc-rcard-value{font-family:var(--vc-mono);font-size:22px;font-weight:600;color:var(--vc-ink);line-height:1.2}.vc-rcard-primary .vc-rcard-value{font-size:30px;color:var(--vc-accent)}.vc-rcard-unit{font-size:14px;font-weight:400;color:var(--vc-ink-secondary)}.vc-section{margin-top:24px;border:1px solid var(--vc-border);border-radius:var(--vc-radius-lg);background:var(--vc-surface);box-shadow:var(--vc-shadow);overflow:hidden}.vc-section-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border:none;background:transparent;cursor:pointer;font-family:var(--vc-font);text-align:left;transition:background .15s}.vc-section-toggle:hover{background:var(--vc-surface-alt)}.vc-section-toggle-text{display:flex;align-items:center;gap:10px}.vc-section-icon{font-size:20px;line-height:1}.vc-section-title{font-family:var(--vc-display);font-size:18px;font-weight:700;color:var(--vc-ink);margin:0}.vc-section-chevron{width:20px;height:20px;color:var(--vc-ink-muted);transition:transform .3s;flex-shrink:0}.vc-section.vc-open .vc-section-chevron{transform:rotate(180deg)}.vc-section-body{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1)}.vc-section.vc-open .vc-section-body{max-height:20000px}.vc-section-inner{padding:0 24px 24px;border-top:1px solid var(--vc-border-light)}.vc-theory h3{font-family:var(--vc-display);font-size:17px;font-weight:700;color:var(--vc-ink);margin:28px 0 10px}.vc-theory h3:first-child{margin-top:20px}.vc-theory p{font-size:14px;color:var(--vc-ink-secondary);margin:0 0 10px}.vc-formula-box{background:var(--vc-surface-alt);border:2px solid var(--vc-border);border-radius:6px;padding:14px 20px;font-family:var(--vc-mono);font-size:16px;font-weight:500;text-align:center;margin:14px 0;color:var(--vc-ink);overflow-x:auto}.vc-faq-list{display:flex;flex-direction:column;gap:8px;margin-top:20px}.vc-faq-item{border:1px solid var(--vc-border-light);border-radius:6px;overflow:hidden}.vc-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:none;background:var(--vc-surface-alt);cursor:pointer;font-family:var(--vc-font);font-size:15px;font-weight:600;color:var(--vc-ink);text-align:left;transition:background .15s}.vc-faq-q:hover{background:#ede9e3}.vc-faq-chevron{width:16px;height:16px;color:var(--vc-ink-muted);flex-shrink:0;transition:transform .25s}.vc-faq-item.vc-open .vc-faq-chevron{transform:rotate(180deg)}.vc-faq-a{max-height:0;overflow:hidden;transition:max-height .35s}.vc-faq-item.vc-open .vc-faq-a{max-height:1200px}.vc-faq-a-inner{padding:14px 16px;border-top:1px solid var(--vc-border-light);font-size:14px;color:var(--vc-ink-secondary)}.vc-faq-a-inner p{margin:0 0 8px}.vc-faq-a-inner p:last-child{margin-bottom:0}.vc-related{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.vc-related-link{display:inline-block;padding:8px 16px;font-family:var(--vc-font);font-size:13px;font-weight:600;background:var(--vc-surface-alt);color:var(--vc-ink-secondary);border:1px solid var(--vc-border);border-radius:var(--vc-radius);text-decoration:none;transition:all .15s}.vc-related-link:hover{border-color:var(--vc-accent);color:var(--vc-accent);background:var(--vc-accent-light)}.vc-promo{margin-top:24px;padding:20px;background:linear-gradient(135deg,var(--vc-accent-light),var(--vc-surface));border:1px solid var(--vc-border);border-radius:var(--vc-radius-lg);display:flex;align-items:center;gap:16px}.vc-promo-text{flex:1;font-size:14px;color:var(--vc-ink-secondary)}.vc-promo-text strong{color:var(--vc-ink)}.vc-promo-link{padding:8px 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 .15s}.vc-promo-link:hover{background:var(--vc-accent-hover)}.vc-footer{text-align:center;padding:32px 16px;font-size:13px;color:var(--vc-ink-muted)}.vc-footer a{color:var(--vc-accent);text-decoration:none}.vc-footer a:hover{text-decoration:underline}.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}@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.vc-viz{margin:20px 0;background:var(--vc-surface);border:1px solid var(--vc-border-light);border-radius:var(--vc-radius);padding:16px;overflow:hidden}.vc-viz svg{width:100%;height:auto;display:block}.vc-viz-title{font-family:var(--vc-mono);font-size:11px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--vc-ink-muted);margin-bottom:12px}<\/style>\n\n<div class=\"vc-calculator\" id=\"vc-hydraulic-cylinder-calculator\">\n<header class=\"vc-header\"><p class=\"vc-header-eyebrow\">Free Engineering Tool<\/p><h1 class=\"vc-header-title\">Hydraulic Cylinder Calculator<\/h1><p class=\"vc-header-subtitle\">Calculate push\/pull force, piston speed, and hydraulic power per ISO 3320. F = P \u00d7 A, v = Q \/ A, Power = P \u00d7 Q.<\/p><div class=\"vc-badges\"><span class=\"vc-badge\">ISO 3320<\/span><span class=\"vc-badge\">Push \/ Pull<\/span><span class=\"vc-badge\">Force \/ Speed \/ Power<\/span><\/div><\/header>\n<div class=\"vc-card\">\n    <form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\">\n        <div class=\"vc-form-grid\">\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-bore\">Bore Diameter D <span class=\"vc-label-hint\">(mm)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-bore\" inputmode=\"decimal\" step=\"any\" min=\"0\" placeholder=\"e.g. 100\" value=\"100\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-rod\">Rod Diameter d <span class=\"vc-label-hint\">(mm)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-rod\" inputmode=\"decimal\" step=\"any\" min=\"0\" placeholder=\"e.g. 56\" value=\"56\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-pressure\">Working Pressure <span class=\"vc-label-hint\">(bar)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-pressure\" inputmode=\"decimal\" step=\"any\" min=\"0\" placeholder=\"e.g. 200\" value=\"200\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-flow\">Flow Rate <span class=\"vc-label-hint\">(L\/min)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-flow\" inputmode=\"decimal\" step=\"any\" min=\"0\" placeholder=\"e.g. 60\" value=\"60\"><\/div>\n        <\/div>\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-b=\"50\" data-r=\"28\" data-p=\"200\" data-q=\"20\">\u00d850\/28 200bar<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-b=\"80\" data-r=\"45\" data-p=\"200\" data-q=\"40\">\u00d880\/45 200bar<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-b=\"100\" data-r=\"56\" data-p=\"200\" data-q=\"60\">\u00d8100\/56 200bar<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-b=\"125\" data-r=\"70\" data-p=\"250\" data-q=\"80\">\u00d8125\/70 250bar<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-b=\"200\" data-r=\"140\" data-p=\"160\" data-q=\"100\">\u00d8200\/140 160bar<\/button>\n        <\/div>\n    <\/form>\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\"><h2 class=\"vc-results-title\">Results<\/h2><button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\"><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<\/button><\/div>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">Push Force (Extension)<\/div><div class=\"vc-rcard-value\" id=\"vc-r-fpush\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Pull Force (Retraction)<\/div><div class=\"vc-rcard-value\" id=\"vc-r-fpull\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Extension Speed<\/div><div class=\"vc-rcard-value\" id=\"vc-r-vext\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Retraction Speed<\/div><div class=\"vc-rcard-value\" id=\"vc-r-vret\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Hydraulic Power<\/div><div class=\"vc-rcard-value\" id=\"vc-r-power\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Bore \/ Annular Area<\/div><div class=\"vc-rcard-value\" id=\"vc-r-areas\">\u2014<\/div><\/div>\n        <\/div>\n        <div class=\"vc-viz\" id=\"vc-viz\"><div class=\"vc-viz-title\">Cylinder Cross-Section<\/div><div id=\"vc-viz-svg\"><\/div><\/div>\n    <\/div>\n<\/div>\n<div class=\"vc-section vc-open\" id=\"vc-sec-theory\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Theory &amp; Formulas<\/span><\/span><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><\/button><div class=\"vc-section-body\"><div class=\"vc-section-inner vc-theory\"><h3>Force<\/h3><div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div><h3>Speed<\/h3><div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div><h3>Power<\/h3><div class=\"vc-formula-box\" id=\"vc-katex-3\"><\/div><\/div><\/div><\/div>\n<div class=\"vc-section\" id=\"vc-sec-related\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udd17<\/span><span class=\"vc-section-title\">Related Calculators<\/span><\/span><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><\/button><div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-related\"><a class=\"vc-related-link\" href=\"\/calculators\/pipe-pressure-drop\/\">Pipe Pressure Drop<\/a><a class=\"vc-related-link\" href=\"\/calculators\/valve-flow-coefficient\/\">Valve Flow Coefficient<\/a><a class=\"vc-related-link\" href=\"\/calculators\/hydraulic-accumulator-calculator\/\">Accumulator<\/a><a class=\"vc-related-link\" href=\"\/calculators\/pipe-flow-velocity\/\">Flow Velocity<\/a><\/div><\/div><\/div><\/div>\n<div class=\"vc-section\" id=\"vc-sec-faq\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\u2753<\/span><span class=\"vc-section-title\">Frequently Asked Questions<\/span><\/span><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><\/button><div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div><\/div><\/div><\/div>\n<div class=\"vc-promo\"><div class=\"vc-promo-text\"><strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>Professional instruments. Used in 50+ countries.<\/div><a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a><\/div>\n<footer class=\"vc-footer\"><p>\u00a9 2024\u20132025 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a><\/p><div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div><\/footer>\n<\/div>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.js\"><\/script>\n<script>\n(function(){\n    'use strict';var SLUG='hydraulic-cylinder-calculator';\n    function $(id){return document.getElementById(id)}\n    function fmt(n,d){if(isNaN(n)||!isFinite(n))return'\u2014';return n.toFixed(d===undefined?2:d).replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\n    function calculate(){\n        var D=parseFloat($('vc-bore').value);var d=parseFloat($('vc-rod').value);var P=parseFloat($('vc-pressure').value);var Q=parseFloat($('vc-flow').value);\n        if(!D||!d||!P||D<=0||d>=D||P<=0){$('vc-results').classList.remove('vc-visible');return}\n        var Abore=Math.PI\/4*D*D; \/\/ mm\u00b2\n        var Aann=Math.PI\/4*(D*D-d*d); \/\/ mm\u00b2\n        var AboreCm2=Abore\/100;var AannCm2=Aann\/100;\n        var Fpush=P*AboreCm2\/10; \/\/ kN (bar\u00d7cm\u00b2\/10=kN)\n        var Fpull=P*AannCm2\/10;\n        var Phyd=P*(Q||0)\/600; \/\/ kW\n        var vExt=Q?Q\/(AboreCm2*6):0; \/\/ m\/s (L\/min \/ (cm\u00b2 \u00d7 6))\n        var vRet=Q?Q\/(AannCm2*6):0;\n        $('vc-r-fpush').innerHTML=fmt(Fpush,1)+' <span class=\"vc-rcard-unit\">kN<\/span> <span class=\"vc-rcard-unit\">('+fmt(Fpush*1000\/9.81,0)+' kgf)<\/span>';\n        $('vc-r-fpull').innerHTML=fmt(Fpull,1)+' <span class=\"vc-rcard-unit\">kN<\/span> <span class=\"vc-rcard-unit\">('+fmt(Fpull*1000\/9.81,0)+' kgf)<\/span>';\n        $('vc-r-vext').innerHTML=fmt(vExt*1000,1)+' <span class=\"vc-rcard-unit\">mm\/s<\/span> <span class=\"vc-rcard-unit\">('+fmt(vExt,3)+' m\/s)<\/span>';\n        $('vc-r-vret').innerHTML=fmt(vRet*1000,1)+' <span class=\"vc-rcard-unit\">mm\/s<\/span> <span class=\"vc-rcard-unit\">('+fmt(vRet,3)+' m\/s)<\/span>';\n        $('vc-r-power').innerHTML=fmt(Phyd,2)+' <span class=\"vc-rcard-unit\">kW<\/span>';\n        $('vc-r-areas').innerHTML=fmt(AboreCm2,2)+' \/ '+fmt(AannCm2,2)+' <span class=\"vc-rcard-unit\">cm\u00b2<\/span>';\n        $('vc-results').classList.add('vc-visible');\n        drawCylinderViz(D, d, Fpush, Fpull, P);\n        saveHistory({D:D,d:d,P:P,Q:Q,Fpush:fmt(Fpush,1),_summary:'\u00d8'+D+'\/'+d+' '+P+'bar \u2192 '+fmt(Fpush,0)+'kN push'});\n    }\n    function drawCylinderViz(D, d, Fpush, Fpull, P) {\n        var el = $('vc-viz-svg'); if (!el) return;\n        var W = 580, H = 200, cx = W \/ 2, cy = H \/ 2;\n        var boreR = 50, rodR = boreR * (d \/ D), cylLen = 260, rodLen = 100;\n        var s = '<svg viewBox=\"0 0 ' + W + ' ' + H + '\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">';\n        s += '<rect width=\"' + W + '\" height=\"' + H + '\" fill=\"var(--vc-surface)\" rx=\"4\"\/>';\n        \/\/ Cylinder body\n        var x0 = cx - cylLen \/ 2, y0 = cy - boreR;\n        s += '<rect x=\"' + x0 + '\" y=\"' + y0 + '\" width=\"' + cylLen + '\" height=\"' + (boreR * 2) + '\" rx=\"4\" fill=\"rgba(42,92,140,0.08)\" stroke=\"var(--vc-blue)\" stroke-width=\"2\"\/>';\n        \/\/ Piston\n        var px = cx + 30;\n        s += '<rect x=\"' + (px - 4) + '\" y=\"' + (cy - boreR + 4) + '\" width=\"8\" height=\"' + (boreR * 2 - 8) + '\" fill=\"var(--vc-ink)\" rx=\"2\"\/>';\n        \/\/ Rod\n        s += '<rect x=\"' + px + '\" y=\"' + (cy - rodR) + '\" width=\"' + rodLen + '\" height=\"' + (rodR * 2) + '\" fill=\"var(--vc-ink-muted)\" rx=\"2\"\/>';\n        \/\/ Bore dimension\n        s += '<line x1=\"' + (x0 - 15) + '\" y1=\"' + y0 + '\" x2=\"' + (x0 - 15) + '\" y2=\"' + (y0 + boreR * 2) + '\" stroke=\"var(--vc-blue)\" stroke-width=\"1\"\/>';\n        s += '<text x=\"' + (x0 - 18) + '\" y=\"' + cy + '\" text-anchor=\"end\" font-size=\"10\" font-family=\"var(--vc-mono)\" fill=\"var(--vc-blue)\" dominant-baseline=\"middle\">\u00d8' + D + '<\/text>';\n        \/\/ Rod dimension\n        s += '<text x=\"' + (px + rodLen + 8) + '\" y=\"' + cy + '\" font-size=\"10\" font-family=\"var(--vc-mono)\" fill=\"var(--vc-ink-muted)\" dominant-baseline=\"middle\">\u00d8' + d + '<\/text>';\n        \/\/ Pressure arrows (left side)\n        var ax = x0 + 20;\n        s += '<polygon points=\"' + ax + ',' + (cy - 15) + ' ' + (ax + 10) + ',' + cy + ' ' + ax + ',' + (cy + 15) + '\" fill=\"var(--vc-accent)\" opacity=\"0.7\"\/>';\n        s += '<text x=\"' + (ax - 5) + '\" y=\"' + (cy - 20) + '\" text-anchor=\"middle\" font-size=\"9\" font-family=\"var(--vc-mono)\" fill=\"var(--vc-accent)\">' + P + ' bar<\/text>';\n        \/\/ Force arrows\n        s += '<line x1=\"' + (px + rodLen + 2) + '\" y1=\"' + cy + '\" x2=\"' + (px + rodLen + 35) + '\" y2=\"' + cy + '\" stroke=\"var(--vc-green)\" stroke-width=\"2\" marker-end=\"url(#arrowG)\"\/>';\n        s += '<defs><marker id=\"arrowG\" markerWidth=\"8\" markerHeight=\"6\" refX=\"8\" refY=\"3\" orient=\"auto\"><path d=\"M0,0 L8,3 L0,6Z\" fill=\"var(--vc-green)\"\/><\/marker><\/defs>';\n        s += '<text x=\"' + (px + rodLen + 40) + '\" y=\"' + (cy - 6) + '\" font-size=\"10\" font-family=\"var(--vc-mono)\" fill=\"var(--vc-green)\" font-weight=\"600\">' + fmt(Fpush, 1) + ' kN<\/text>';\n        s += '<text x=\"' + (px + rodLen + 40) + '\" y=\"' + (cy + 10) + '\" font-size=\"8\" font-family=\"var(--vc-mono)\" fill=\"var(--vc-ink-muted)\">push<\/text>';\n        s += '<\/svg>';\n        el.innerHTML = s;\n    }\n\n    document.querySelectorAll('.vc-preset-btn').forEach(function(b){b.addEventListener('click',function(e){e.preventDefault();$('vc-bore').value=this.getAttribute('data-b');$('vc-rod').value=this.getAttribute('data-r');$('vc-pressure').value=this.getAttribute('data-p');$('vc-flow').value=this.getAttribute('data-q');calculate()})});\n    $('vc-form').addEventListener('input',calculate);$('vc-form').addEventListener('change',calculate);\n    $('vc-copy-btn').addEventListener('click',function(){var t='Hydraulic Cylinder\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nPush: '+$('vc-r-fpush').textContent+'\\nPull: '+$('vc-r-fpull').textContent+'\\nExt Speed: '+$('vc-r-vext').textContent+'\\nRet Speed: '+$('vc-r-vret').textContent+'\\nPower: '+$('vc-r-power').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';if(navigator.clipboard){navigator.clipboard.writeText(t).then(function(){var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg> Copied!';setTimeout(function(){b.classList.remove('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy'},2000)})}});\n    document.querySelectorAll('.vc-section-toggle').forEach(function(b){b.addEventListener('click',function(){var s=this.closest('.vc-section');s.classList.toggle('vc-open');this.setAttribute('aria-expanded',s.classList.contains('vc-open'))})});\n    var faqData=[{q:'How do I calculate hydraulic cylinder force?',a:'<p>Push: F = P \u00d7 A_bore = P \u00d7 \u03c0\/4 \u00d7 D\u00b2. Pull: F = P \u00d7 A_annular = P \u00d7 \u03c0\/4 \u00d7 (D\u00b2\u2212d\u00b2). F(kN) = P(bar) \u00d7 A(cm\u00b2) \/ 10.<\/p>'},{q:'How do I calculate cylinder speed?',a:'<p>Extension: v = Q\/A_bore. Retraction: v = Q\/A_annular. v(mm\/s) = Q(L\/min) \u00d7 1000 \/ (A(cm\u00b2) \u00d7 6).<\/p>'},{q:'What are ISO 3320 standard bore sizes?',a:'<p>Standard bores (mm): 25, 32, 40, 50, 63, 80, 100, 125, 160, 200, 250, 320, 400, 500.<\/p>'},{q:'How do I calculate hydraulic power?',a:'<p>P(kW) = p(bar) \u00d7 Q(L\/min) \/ 600. Pump power = P_hyd \/ \u03b7_overall (typically \u03b7 \u2248 0.85).<\/p>'},{q:'What is the push\/pull speed ratio?',a:'<p>Speed ratio = A_bore\/A_annular = D\u00b2\/(D\u00b2\u2212d\u00b2). For d\u22480.707D: retraction is 2\u00d7 faster than extension.<\/p>'}];\n    var fl=$('vc-faq-list');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>'});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    function saveHistory(e){var k='vc_history_'+SLUG;var a=[];try{a=JSON.parse(localStorage.getItem(k))||[]}catch(x){}e._ts=new Date().toISOString();a.unshift(e);if(a.length>10)a=a.slice(0,10);try{localStorage.setItem(k,JSON.stringify(a))}catch(x){}}\n    function renderFormulas(){try{\n        katex.render('F_{push}=P\\\\times\\\\frac{\\\\pi D^2}{4},\\\\quad F_{pull}=P\\\\times\\\\frac{\\\\pi(D^2-d^2)}{4}',$('vc-katex-1'),{displayMode:true,throwOnError:false});\n        katex.render('v_{ext}=\\\\frac{Q}{A_{bore}},\\\\quad v_{ret}=\\\\frac{Q}{A_{annular}}',$('vc-katex-2'),{displayMode:true,throwOnError:false});\n        katex.render('P_{hyd}=\\\\frac{p\\\\times Q}{600}\\\\quad[\\\\text{kW}]',$('vc-katex-3'),{displayMode:true,throwOnError:false});\n    }catch(e){}}\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>Gratis kalkulator for hydrauliske sylindere i henhold til ISO 3320. Beregn kraft F=P\u00d7A, hastighet v=Q\/A og effekt P=p\u00d7Q fra boring, stang, trykk og str\u00f8mningshastighet.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100132","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator\/100132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator\/100132\/revisions"}],"predecessor-version":[{"id":100950,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator\/100132\/revisions\/100950"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=100132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=100132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=100132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}