{"id":66879,"date":"2026-10-13T10:04:58","date_gmt":"2026-10-13T07:04:58","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=66879"},"modified":"2026-10-13T10:04:58","modified_gmt":"2026-10-13T07:04:58","slug":"gas-density-calculator","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/chemistry\/gas-density-calculator\/","title":{"rendered":"Gas Density Calculator"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Find the Density of a Gas from Pressure and Temperature<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"66879\" data-favorite-title=\"Gas Density\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/chemistry\/gas-density-calculator\/\" data-favorite-excerpt=\"Calculate the density of any gas from its absolute pressure, temperature, and molar mass using the ideal gas law. Enter values in kPa, Pa, bar, atm, psi, or mmHg and \u00b0C, K, or \u00b0F \u2014 the result is shown in kg\/m\u00b3, g\/L, and lb\/ft\u00b3.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-wind-2\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/chemistry\/gas-density-calculator\/\" method=\"POST\" class=\"calculator\" id=\"calculator-66879\" data-post=\"66879\"><fieldset class=\"fieldset-input is-2\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field has-term\" id=\"input-1\"><label for=\"field-1\">Pressure (P)<\/label><div class=\"term\">P<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"text\" name=\"pressure_p\" id=\"field-1\" aria-describedby=\"calc-info-1\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 101.325\" min=\"0\" value=\"101.325\"\/><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"unit\" aria-label=\"Unit\"><option value=\"kPa\" selected>kPa<\/option><option value=\"Pa\">Pa<\/option><option value=\"bar\">bar<\/option><option value=\"atm\">atm<\/option><option value=\"mmHg\">mmHg<\/option><option value=\"psi\">psi<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><small id=\"calc-info-1\">Absolute pressure of the gas (not gauge pressure).<\/small><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-3\">Temperature (T)<\/label><div class=\"term\">T<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"temperature_t\" id=\"field-3\" aria-describedby=\"calc-info-3\" placeholder=\"e.g. 25\" step=\"any\" value=\"25\"\/><div class=\"grid grid-cols-1\"><select id=\"field-4\" name=\"unit\" aria-label=\"Unit\"><option value=\"C\" selected>\u00b0C<\/option><option value=\"K\">K<\/option><option value=\"F\">\u00b0F<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><small id=\"calc-info-3\">Temperature of the gas. Enter 0 K or below only for the Kelvin scale \u2014 physically the gas must be above absolute zero.<\/small><\/div><div class=\"field has-term\" id=\"input-3\"><label for=\"field-5\">Molar Mass (M)<\/label><div class=\"term\">M<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"molar_mass_m\" id=\"field-5\" aria-describedby=\"calc-unit-5 calc-info-5\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 28.97\" min=\"0\" value=\"28.97\"\/><div class=\"unit\" id=\"calc-unit-5\">g\/mol<\/div><small id=\"calc-info-5\">Mass of one mole of the gas. Air \u2248 28.97, N\u2082 = 28.01, O\u2082 = 32.00, CO\u2082 = 44.01, He = 4.00, CH\u2084 = 16.04 g\/mol.<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"66879\">Calculate<\/button><button type=\"reset\">Reset<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calculate automatically<\/label><small>If enabled, the result will update automatically when you change any value.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Gas Density Results<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Gas Density<\/span><span class=\"result-term\">\u03c1<\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-2\"><span class=\"field-title\"><span>Density in Other Units<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-3\"><span class=\"field-title\"><span>Molar Volume<\/span><span class=\"result-term\">Vm<\/span><\/span><span class=\"field-value\" id=\"result-3\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-4\"><span class=\"field-title\"><span>Calculation Details<\/span><\/span><span class=\"field-value\" id=\"result-4\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copy link to this calculation<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Leave a Comment<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"66879\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Inaccurate <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Gas Density Formula<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Formula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ \\rho = \\frac{P \\cdot M}{R \\cdot T} \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(\\rho\\) \u2014 density of the gas (kg\/m\u00b3)<\/li>\n<li>\\(P\\) \u2014 absolute pressure of the gas (Pa)<\/li>\n<li>\\(M\\) \u2014 molar mass of the gas (kg\/mol)<\/li>\n<li>\\(R\\) \u2014 universal gas constant, \\(8.314462618\\ \\text{J\u00b7mol}^{-1}\\text{\u00b7K}^{-1}\\)<\/li>\n<li>\\(T\\) \u2014 absolute temperature (K)<\/li>\n<\/ul>\n<p>This is the ideal gas law \\(PV = nRT\\) rearranged for density: since \\(n = m\/M\\), the density \\(\\rho = m\/V\\) reduces to pressure times molar mass divided by \\(RT\\). The same relation gives the molar volume, \\(V_m = RT\/P\\), so \\(\\rho = M \/ V_m\\).<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-459\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Gas Density \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> find the density of dry air (M = 28.97 g\/mol) at 101.325 kPa and 25 \u00b0C \u2014 standard ambient conditions.<\/p>\n<p>\\[ T = 25 + 273.15 = 298.15\\ \\text{K}, \\quad P = 101.325\\ \\text{kPa} = 101{,}325\\ \\text{Pa}, \\quad M = 0.02897\\ \\text{kg\/mol} \\]<\/p>\n<p>\\[ \\rho = \\frac{101{,}325 \\times 0.02897}{8.314462618 \\times 298.15} = \\frac{2935.41}{2478.96} \\approx 1.1840\\ \\text{kg\/m}^3 \\]<\/p>\n<p><strong>Result:<\/strong> \\(\\rho \\approx 1.184\\ \\text{kg\/m}^3\\) (the same as 1.184 g\/L). The molar volume is \\(V_m = RT\/P \\approx 24.465\\ \\text{L\/mol}\\).<\/p>\n<p>\n\r\n<\/section>\n<h2>How to Use the Gas Density Calculator<\/h2>\n<ol>\n<li>Enter the <strong>Pressure (P)<\/strong> and choose its unit (kPa, Pa, bar, atm, mmHg, or psi). Use absolute pressure, not gauge pressure.<\/li>\n<li>Enter the <strong>Temperature (T)<\/strong> and its scale (\u00b0C, K, or \u00b0F). The value is converted to Kelvin automatically.<\/li>\n<li>Enter the <strong>Molar Mass (M)<\/strong> in g\/mol. Use 28.97 for air, or the value for a pure gas (O\u2082 = 32.00, CO\u2082 = 44.01, He = 4.00, CH\u2084 = 16.04, N\u2082 = 28.01).<\/li>\n<li>Read the <strong>Gas Density<\/strong> in kg\/m\u00b3, the conversion table in other units, and the molar volume in L\/mol.<\/li>\n<li>The <strong>Calculation Details<\/strong> section shows the full substitution so you can verify each step by hand.<\/li>\n<\/ol>\n<h2>What Is Gas Density and Why It Matters<\/h2>\n<p>Gas density is the mass per unit volume of a gas. Unlike liquids and solids, gases are strongly affected by pressure and temperature: compress a gas and its density rises; heat it at constant pressure and its density falls. At ambient conditions a gas typically weighs only about 1 kg per cubic metre \u2014 roughly a thousandth of the density of water \u2014 which is why small errors in conditions can shift the result noticeably.<\/p>\n<p>The formula shows the two drivers clearly. Density is <em>directly proportional<\/em> to pressure (Boyle's law behaviour: halving the volume doubles the density) and <em>inversely proportional<\/em> to absolute temperature (Charles's law behaviour). It is also directly proportional to molar mass, which is why carbon dioxide (M = 44 g\/mol) is about 1.5 times denser than air and helium (M = 4 g\/mol) is about seven times lighter \u2014 the reason CO\u2082 pools on the floor while helium balloons rise.<\/p>\n<p>Gas density is used constantly in engineering and science: sizing compressors and pipelines, converting between volumetric and mass flow rates, calibrating flow meters, predicting buoyancy and plume behaviour, and converting gas volumes in stoichiometry problems. For example, the ISA standard atmosphere value for air \u2014 1.225 kg\/m\u00b3 at 101.325 kPa and 15 \u00b0C \u2014 is the reference used in aircraft performance calculations.<\/p>\n<p>Because moles of gas at the same \\(P\\) and \\(T\\) occupy equal volumes regardless of identity (Avogadro's principle), the molar volume is the same for every ideal gas at given conditions: 22.414 L\/mol at 0 \u00b0C and 101.325 kPa, and about 24.465 L\/mol at 25 \u00b0C. Our <a href=\"https:\/\/wpcalc.com\/en\/chemistry\/avogadros-law-calculator\/\">Avogadro's law calculator<\/a> and the <a href=\"https:\/\/wpcalc.com\/en\/chemistry\/gay-lussacs-law-calculator\/\">Gay-Lussac's law calculator<\/a> explore these pressure\u2013temperature\u2013volume relationships in more detail.<\/p>\n<h2>Assumptions, Limitations and Practical Tips<\/h2>\n<ul>\n<li><strong>Ideal gas behaviour is assumed.<\/strong> The calculator sets the compressibility factor \\(Z = 1\\). This is accurate to within a fraction of a percent for common gases near ambient conditions, but at high pressures or low temperatures real gases deviate. For those cases, a real-gas correction \\(\\rho = PM\/(ZRT)\\) is needed \u2014 see our <a href=\"https:\/\/wpcalc.com\/en\/chemistry\/van-der-waals-equation-calculator\/\">Van der Waals equation calculator<\/a> for a more realistic model.<\/li>\n<li><strong>Use absolute pressure and absolute temperature.<\/strong> Gauge pressure readings must have atmospheric pressure added (e.g. 2 bar gauge = 3 bar absolute \u2248 300 kPa), and Celsius or Fahrenheit values are converted to Kelvin internally.<\/li>\n<li><strong>Watch for condensation.<\/strong> Near the dew point or critical point of a gas, part of the substance may be liquid and the ideal-gas density is no longer meaningful.<\/li>\n<li><strong>Dry gas is assumed.<\/strong> Humid air is slightly less dense than dry air because water vapour (M = 18 g\/mol) replaces heavier molecules; for precise work, use the mean molar mass of the actual mixture.<\/li>\n<li><strong>Gas mixtures:<\/strong> use the mole-weighted average molar mass. For air, \\(0.21 \\times 32 + 0.78 \\times 28 + \\cdots \\approx 28.97\\ \\text{g\/mol}\\). Our <a href=\"https:\/\/wpcalc.com\/en\/chemistry\/percent-composition-from-chemical-formula-calculator\/\">percent composition calculator<\/a> can help find molar masses of compounds.<\/li>\n<li><strong>Sanity check:<\/strong> at 101.325 kPa, every ideal gas has \\(M\/22.414\\) g\/L of density at 0 \u00b0C \u2014 air should give \u2248 1.293 g\/L, methane \u2248 0.716 g\/L. If your result is far from such benchmarks, check the units of the inputs.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Calculate the density of any gas from its absolute pressure, temperature, and molar mass using the ideal gas law. Enter values in kPa, Pa, bar, atm, psi, or mmHg and \u00b0C, K, or \u00b0F \u2014 the result is shown in kg\/m\u00b3, g\/L, and lb\/ft\u00b3.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[54],"tags":[55],"class_list":["post-66879","post","type-post","status-publish","format-standard","hentry","category-chemistry","tag-gases"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66879","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=66879"}],"version-history":[{"count":1,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66879\/revisions"}],"predecessor-version":[{"id":66880,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66879\/revisions\/66880"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=66879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=66879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=66879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}