{"id":100101,"date":"2026-02-15T20:16:40","date_gmt":"2026-02-15T20:16:40","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100101"},"modified":"2026-02-15T20:16:40","modified_gmt":"2026-02-15T20:16:40","slug":"flow-rate-converter","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/flow-rate-converter\/","title":{"rendered":"\u09aa\u09cd\u09b0\u09ac\u09be\u09b9 \u09b9\u09be\u09b0 \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0\u0995 | m\u00b3\/h \u2194 l\/min \u2194 GPM \u2194 CFM"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Flow Rate Converter\",\"description\":\"Convert between m\u00b3\/h, l\/min, GPM, CFM, m\u00b3\/s and other flow rate units.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/flow-rate-converter\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any\",\"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}<\/script>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is GPM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"US Gallons Per Minute. 1 GPM = 3.785 l\/min = 0.2271 m\u00b3\/h.\"}},{\"@type\":\"Question\",\"name\":\"What is CFM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cubic Feet per Minute. Used for gas\/air flow. 1 CFM = 1.699 m\u00b3\/h.\"}},{\"@type\":\"Question\",\"name\":\"How to convert mass flow to volume flow?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Volume flow = mass flow \/ density. E.g., for water: Q(m\u00b3\/h) = \u1e41(kg\/h) \/ 1000.\"}},{\"@type\":\"Question\",\"name\":\"Standard vs actual flow?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For gases, specify standard conditions (usually 0\u00b0C, 101.325 kPa or 15\u00b0C, 101.325 kPa).\"}},{\"@type\":\"Question\",\"name\":\"l\/min vs l\/s?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"l\/min \u00f7 60 = l\/s. Both are common in hydraulics and water treatment.\"}}]}<\/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\":\"Flow Rate Converter\",\"item\":\"https:\/\/vibromera.eu\/calculators\/flow-rate-converter\/\"}]}<\/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\" 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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}}<\/style>\n\n<div class=\"vc-calculator\"><header class=\"vc-header\"><p class=\"vc-header-eyebrow\">Free Engineering Tool #250<\/p><h1 class=\"vc-header-title\">Flow Rate Converter<\/h1><p class=\"vc-header-subtitle\">Convert between common flow rate units: m\u00b3\/h, l\/min, GPM, CFM, m\u00b3\/s.<\/p><div class=\"vc-badges\"><span class=\"vc-badge\">m\u00b3\/h \u2194 l\/min \u2194 GPM<\/span><span class=\"vc-badge\">CFM \u2194 m\u00b3\/s<\/span><span class=\"vc-badge\">Instant<\/span><\/div><\/header>\n<div class=\"vc-card\"><form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\"><div class=\"vc-form-grid\"><div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-val\">Value<\/label><input class=\"vc-input\" type=\"number\" id=\"vc-val\" step=\"any\" value=\"10\" ><\/div><div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-from\">From<\/label><select class=\"vc-select\" id=\"vc-from\"><option value=\"m3h\">m\u00b3\/h<\/option><option value=\"lmin\">l\/min<\/option><option value=\"gpm\">GPM (US)<\/option><option value=\"cfm\">CFM<\/option><option value=\"m3s\">m\u00b3\/s<\/option><\/select><\/div><\/div>\n<div class=\"vc-presets\"><div class=\"vc-presets-label\">Quick presets<\/div><button type=\"button\" class=\"vc-preset-btn\" data-v=\"10\" data-f=\"m3h\">10 m\u00b3\/h<\/button><button type=\"button\" class=\"vc-preset-btn\" data-v=\"100\" data-f=\"lmin\">100 l\/min<\/button><button type=\"button\" class=\"vc-preset-btn\" data-v=\"50\" data-f=\"gpm\">50 GPM<\/button><\/div><\/form>\n<div class=\"vc-results\" id=\"vc-results\"><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><div class=\"vc-result-grid\"><div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">m\u00b3\/h<\/div><div class=\"vc-rcard-value\" id=\"vc-r-m3h\">\u2014<\/div><\/div><div class=\"vc-rcard\"><div class=\"vc-rcard-label\">l\/min<\/div><div class=\"vc-rcard-value\" id=\"vc-r-lmin\">\u2014<\/div><\/div><div class=\"vc-rcard\"><div class=\"vc-rcard-label\">GPM (US)<\/div><div class=\"vc-rcard-value\" id=\"vc-r-gpm\">\u2014<\/div><\/div><div class=\"vc-rcard\"><div class=\"vc-rcard-label\">CFM<\/div><div class=\"vc-rcard-value\" id=\"vc-r-cfm\">\u2014<\/div><\/div><div class=\"vc-rcard\"><div class=\"vc-rcard-label\">m\u00b3\/s<\/div><div class=\"vc-rcard-value\" id=\"vc-r-m3s\">\u2014<\/div><\/div><\/div><\/div><\/div>\n<div class=\"vc-section vc-open\"><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>Flow Rate Conversions<\/h3><p>1 m\u00b3\/h = 16.667 l\/min = 4.403 GPM = 0.5886 CFM = 2.778\u00d710\u207b\u2074 m\u00b3\/s<\/p><\/div><\/div><\/div>\n<div class=\"vc-section\"><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\/universal-unit-converter\/\">Universal Converter<\/a><a class=\"vc-related-link\" href=\"\/calculators\/viscosity-unit-converter\/\">Viscosity Converter<\/a><\/div><\/div><\/div><\/div>\n<div class=\"vc-section\"><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\"><div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>What is GPM?<\/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\"><p>US Gallons Per Minute. 1 GPM = 3.785 l\/min = 0.2271 m\u00b3\/h.<\/p><\/div><\/div><\/div><div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>What is CFM?<\/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\"><p>Cubic Feet per Minute. Used for gas\/air flow. 1 CFM = 1.699 m\u00b3\/h.<\/p><\/div><\/div><\/div><div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>How to convert mass flow to volume flow?<\/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\"><p>Volume flow = mass flow \/ density. E.g., for water: Q(m\u00b3\/h) = \u1e41(kg\/h) \/ 1000.<\/p><\/div><\/div><\/div><div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>Standard vs actual flow?<\/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\"><p>For gases, specify standard conditions (usually 0\u00b0C, 101.325 kPa or 15\u00b0C, 101.325 kPa).<\/p><\/div><\/div><\/div><div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>l\/min vs l\/s?<\/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\"><p>l\/min \u00f7 60 = l\/s. 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