{"id":100254,"date":"2026-02-15T20:29:52","date_gmt":"2026-02-15T20:29:52","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100254"},"modified":"2026-02-15T20:29:52","modified_gmt":"2026-02-15T20:29:52","slug":"temperature-converter","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/temperature-converter\/","title":{"rendered":"Temperature Converter | \u00b0C \u2194 \u00b0F \u2194 K \u2194 \u00b0R | Free Online Tool"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Temperature Converter\",\"description\":\"Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/temperature-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\":[\n{\"@type\":\"Question\",\"name\":\"How do you convert Celsius to Fahrenheit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Multiply by 9\/5, then add 32. Formula: \u00b0F = \u00b0C \u00d7 9\/5 + 32. For example, 100\u00b0C = 212\u00b0F.\"}},\n{\"@type\":\"Question\",\"name\":\"What is absolute zero?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Absolute zero is the lowest possible temperature: 0 K = \u2212273.15\u00b0C = \u2212459.67\u00b0F = 0\u00b0R. It represents the point where molecular motion reaches its minimum.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the Rankine scale?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Rankine scale (\u00b0R) is an absolute temperature scale based on Fahrenheit intervals, where 0\u00b0R = absolute zero. Used in American engineering thermodynamics. \u00b0R = \u00b0F + 459.67.\"}},\n{\"@type\":\"Question\",\"name\":\"When should I use Kelvin vs Celsius?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use Kelvin in thermodynamic calculations (gas laws, radiation, Carnot cycle) and scientific work. Use Celsius for everyday engineering, HVAC, and when working with temperature differences (\u0394C = \u0394K).\"}},\n{\"@type\":\"Question\",\"name\":\"What temperature is the same in \u00b0C and \u00b0F?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u221240\u00b0 is the same in both scales: \u221240\u00b0C = \u221240\u00b0F. This can be derived by solving \u00b0F = \u00b0C \u00d7 9\/5 + 32 with \u00b0F = \u00b0C.\"}}\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\":\"Temperature Converter\",\"item\":\"https:\/\/vibromera.eu\/calculators\/temperature-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 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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\">\n<header class=\"vc-header\"><p class=\"vc-header-eyebrow\">Free Engineering Tool<\/p><h1 class=\"vc-header-title\">Temperature Converter<\/h1><p class=\"vc-header-subtitle\">Instantly convert between Celsius, Fahrenheit, Kelvin, and Rankine. All four values displayed simultaneously.<\/p><div class=\"vc-badges\"><span class=\"vc-badge\">\u00b0C \u2194 \u00b0F \u2194 K \u2194 \u00b0R<\/span><span class=\"vc-badge\">Instant<\/span><span class=\"vc-badge\">#179<\/span><\/div><\/header>\n\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-value\">Temperature Value<\/label><input class=\"vc-input\" type=\"number\" id=\"vc-value\" step=\"any\" value=\"100\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-unit\">From Unit<\/label><select class=\"vc-select\" id=\"vc-unit\"><option value=\"C\" selected>Celsius (\u00b0C)<\/option><option value=\"F\">Fahrenheit (\u00b0F)<\/option><option value=\"K\">Kelvin (K)<\/option><option value=\"R\">Rankine (\u00b0R)<\/option><\/select><\/div>\n        <\/div>\n        <div class=\"vc-presets\"><div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-v=\"100\" data-u=\"C\">100\u00b0C Boiling<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-v=\"0\" data-u=\"C\">0\u00b0C Freezing<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-v=\"98.6\" data-u=\"F\">98.6\u00b0F Body<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-v=\"-40\" data-u=\"C\">\u221240\u00b0 Equal Point<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-v=\"273.15\" data-u=\"K\">273.15 K<\/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\">Celsius<\/div><div class=\"vc-rcard-value\" id=\"vc-r-C\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">Fahrenheit<\/div><div class=\"vc-rcard-value\" id=\"vc-r-F\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Kelvin<\/div><div class=\"vc-rcard-value\" id=\"vc-r-K\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Rankine<\/div><div class=\"vc-rcard-value\" id=\"vc-r-R\">\u2014<\/div><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\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>Conversion Formulas<\/h3><div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div><div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div><div class=\"vc-formula-box\" id=\"vc-katex-3\"><\/div><p>Kelvin and Rankine are absolute scales (0 = absolute zero). Celsius and Fahrenheit are relative scales with offset zero points.<\/p><h3>Key Reference Points<\/h3><p>Absolute zero: 0 K = \u2212273.15\u00b0C = \u2212459.67\u00b0F = 0\u00b0R<br>Water freezing: 273.15 K = 0\u00b0C = 32\u00b0F = 491.67\u00b0R<br>Water boiling: 373.15 K = 100\u00b0C = 212\u00b0F = 671.67\u00b0R<\/p><\/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\/thermal-expansion-calculator\/\">Thermal Expansion<\/a><a class=\"vc-related-link\" href=\"\/calculators\/dew-point-calculator\/\">Dew Point<\/a><a class=\"vc-related-link\" href=\"\/calculators\/thermal-stress-calculator\/\">Thermal Stress<\/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> \u2014 Engineering Calculators<\/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='temperature-converter';function $(id){return document.getElementById(id)}function fmt(n,d){if(isNaN(n)||!isFinite(n))return'\u2014';return n.toFixed(d===undefined?2:d).replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\nfunction calculate(){var v=parseFloat($('vc-value').value),u=$('vc-unit').value;if(isNaN(v)){$('vc-results').classList.remove('vc-visible');return}\nvar C,F,K,R;switch(u){case 'C':C=v;F=v*9\/5+32;K=v+273.15;R=(v+273.15)*9\/5;break;case 'F':C=(v-32)*5\/9;F=v;K=(v-32)*5\/9+273.15;R=v+459.67;break;case 'K':C=v-273.15;F=(v-273.15)*9\/5+32;K=v;R=v*9\/5;break;case 'R':C=(v-491.67)*5\/9;F=v-459.67;K=v*5\/9;R=v;break}\n$('vc-r-C').innerHTML=fmt(C,4)+' <span class=\"vc-rcard-unit\">\u00b0C<\/span>';\n$('vc-r-F').innerHTML=fmt(F,4)+' <span class=\"vc-rcard-unit\">\u00b0F<\/span>';\n$('vc-r-K').innerHTML=fmt(K,4)+' <span class=\"vc-rcard-unit\">K<\/span>';\n$('vc-r-R').innerHTML=fmt(R,4)+' <span class=\"vc-rcard-unit\">\u00b0R<\/span>';\n$('vc-results').classList.add('vc-visible');saveHistory({val:v,from:u,C:C,F:F,K:K,R:R,_summary:fmt(v,2)+u+' \u2192 '+fmt(C,2)+'\u00b0C'})}\ndocument.querySelectorAll('.vc-preset-btn').forEach(function(btn){btn.addEventListener('click',function(e){e.preventDefault();$('vc-value').value=this.getAttribute('data-v');$('vc-unit').value=this.getAttribute('data-u');calculate()})});\n$('vc-form').addEventListener('input',calculate);$('vc-form').addEventListener('change',calculate);\n$('vc-copy-btn').addEventListener('click',function(){var t='Temperature Conversion\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\n'+$('vc-r-C').textContent+'\\n'+$('vc-r-F').textContent+'\\n'+$('vc-r-K').textContent+'\\n'+$('vc-r-R').textContent+'\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nvibromera.eu';if(navigator.clipboard)navigator.clipboard.writeText(t).then(function(){var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='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)})});\ndocument.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'))})});\nvar faqData=[{q:'How do you convert Celsius to Fahrenheit?',a:'<p>\u00b0F = \u00b0C \u00d7 9\/5 + 32. For example, 100\u00b0C = 212\u00b0F, 0\u00b0C = 32\u00b0F, 37\u00b0C \u2248 98.6\u00b0F.<\/p>'},{q:'What is absolute zero?',a:'<p>The lowest possible temperature: 0 K = \u2212273.15\u00b0C = \u2212459.67\u00b0F = 0\u00b0R. Molecular motion reaches minimum.<\/p>'},{q:'What is the Rankine scale?',a:'<p>Absolute scale based on Fahrenheit intervals. 0\u00b0R = absolute zero. \u00b0R = \u00b0F + 459.67. Used in US engineering thermodynamics.<\/p>'},{q:'Kelvin vs Celsius \u2014 when to use?',a:'<p>Kelvin for thermodynamic calculations (gas laws, radiation). Celsius for everyday engineering. Note: \u0394C = \u0394K (same step size).<\/p>'},{q:'What temperature is the same in \u00b0C and \u00b0F?',a:'<p>\u221240\u00b0 is identical in both scales: \u221240\u00b0C = \u221240\u00b0F. Solve \u00b0F = \u00b0C \u00d7 9\/5 + 32 with \u00b0F = \u00b0C.<\/p>'}];\nvar fl=$('vc-faq-list');faqData.forEach(function(f){fl.innerHTML+='<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>'+f.q+'<\/span><svg class=\"vc-faq-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button><div class=\"vc-faq-a\"><div class=\"vc-faq-a-inner\">'+f.a+'<\/div><\/div><\/div>'});fl.addEventListener('click',function(e){var b=e.target.closest('.vc-faq-q');if(!b)return;b.closest('.vc-faq-item').classList.toggle('vc-open')});\nfunction saveHistory(e){var k='vc_history_'+SLUG;var a=[];try{a=JSON.parse(localStorage.getItem(k))||[]}catch(x){}e._ts=new Date().toISOString();a.unshift(e);if(a.length>10)a=a.slice(0,10);try{localStorage.setItem(k,JSON.stringify(a))}catch(x){}}\nfunction renderFormulas(){try{katex.render('\u00b0F = \u00b0C \\\\times \\\\tfrac{9}{5} + 32',$('vc-katex-1'),{displayMode:true,throwOnError:false});katex.render('K = \u00b0C + 273.15',$('vc-katex-2'),{displayMode:true,throwOnError:false});katex.render('\u00b0R = \u00b0F + 459.67',$('vc-katex-3'),{displayMode:true,throwOnError:false})}catch(e){}}\nfunction init(){renderFormulas();calculate()}if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',init);else init();\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Free temperature converter. Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly. Shows all 4 values simultaneously.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100254","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100254","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\/100254\/revisions"}],"predecessor-version":[{"id":100566,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100254\/revisions\/100566"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/media?parent=100254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/categories?post=100254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/tags?post=100254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}