{"id":66947,"date":"2026-10-13T10:38:06","date_gmt":"2026-10-13T07:38:06","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=66947"},"modified":"2026-10-13T10:38:06","modified_gmt":"2026-10-13T07:38:06","slug":"sound-intensity-level-calculator","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/physics\/sound-intensity-level-calculator\/","title":{"rendered":"Sound Intensity Level 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\">Convert Sound Intensity to a Decibel Level<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"66947\" data-favorite-title=\"Sound Intensity Level\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/physics\/sound-intensity-level-calculator\/\" data-favorite-excerpt=\"Convert sound intensity in W\/m\u00b2 to a decibel (dB) level using the standard hearing threshold reference of 10\u207b\u00b9\u00b2 W\/m\u00b2. Optionally compare two sounds to see their level difference.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-spectrum\">\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\/physics\/sound-intensity-level-calculator\/\" method=\"POST\" class=\"calculator\" id=\"calculator-66947\" data-post=\"66947\"><fieldset class=\"fieldset-input is-1\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field has-term\" id=\"input-1\"><label for=\"field-1\">Sound intensity (I)<\/label><div class=\"term\">I<\/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=\"sound_intensity_i\" id=\"field-1\" aria-describedby=\"calc-info-1\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 0.0001\" min=\"0\" value=\"0.0001\"\/><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"unit\" aria-label=\"Unit\"><option value=\"wm2\" selected>W\/m\u00b2<\/option><option value=\"mwm2\">mW\/m\u00b2<\/option><option value=\"uwm2\">\u00b5W\/m\u00b2<\/option><option value=\"pwm2\">pW\/m\u00b2<\/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\">Sound power per unit area. Examples: whisper \u2248 1e-10 W\/m\u00b2, conversation \u2248 1e-6 W\/m\u00b2, rock concert \u2248 1e-2 W\/m\u00b2.<\/small><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-3\">Reference intensity (I\u2080)<\/label><div class=\"term\">I\u2080<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"reference_intensity_i\" id=\"field-3\" aria-describedby=\"calc-unit-3 calc-info-3\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 0.000000000001\" min=\"0\" value=\"1.0E-12\"\/><div class=\"unit\" id=\"calc-unit-3\">W\/m\u00b2<\/div><small id=\"calc-info-3\">The standard reference is 10\u207b\u00b9\u00b2 W\/m\u00b2 \u2014 the threshold of human hearing (ANSI\/IEC standard). Change it only for non-standard references.<\/small><\/div><div class=\"is-single field\" id=\"input-3\"><span class=\"font-semibold\">Optional: compare a second intensity<\/span><\/div><div class=\"field has-term\" id=\"input-4\"><label for=\"field-5\">Second intensity (I\u2082)<\/label><div class=\"term\">I\u2082<\/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=\"second_intensity_i\" id=\"field-5\" aria-describedby=\"calc-info-5\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"optional \u2014 e.g. 0.000001\" min=\"0\" value=\"1.0E-6\"\/><div class=\"grid grid-cols-1\"><select id=\"field-6\" name=\"unit\" aria-label=\"Unit\"><option value=\"wm2\" selected>W\/m\u00b2<\/option><option value=\"mwm2\">mW\/m\u00b2<\/option><option value=\"uwm2\">\u00b5W\/m\u00b2<\/option><option value=\"pwm2\">pW\/m\u00b2<\/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-5\">Optional. Enter another intensity to see the level difference between the two sounds.<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"66947\">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> Sound Intensity Level Results<\/h3><div class=\"result-box\"><div class=\"field-result is-column\" id=\"output-1\"><span class=\"field-title\"><span>Sound intensity level (L)<\/span><span class=\"result-term\">L<\/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>Level difference and comparison<\/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><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=\"66947\" 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>Sound Intensity Level<\/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\\[ L = 10 \\log_{10}\\!\\left( \\frac{I}{I_0} \\right) \\quad \\text{dB} \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(L\\) \u2014 sound intensity level in decibels (dB)<\/li>\n<li>\\(I\\) \u2014 sound intensity in W\/m\u00b2 (watts per square metre)<\/li>\n<li>\\(I_0\\) \u2014 reference intensity, standard value \\(1 \\times 10^{-12}\\) W\/m\u00b2<\/li>\n<\/ul>\n<p>The formula expresses the sound intensity level as a logarithmic ratio: it tells you how many times more intense a sound is compared with the threshold of human hearing, expressed in decibels. When comparing two sounds directly, the level difference is \\( \\Delta L = 10 \\log_{10}(I \/ I_2) \\), which does not depend on the reference at all.<\/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>Sound Intensity Level \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> a machine produces a sound intensity of \\(1 \\times 10^{-4}\\) W\/m\u00b2. A second, quieter source in the same room produces \\(1 \\times 10^{-6}\\) W\/m\u00b2. What are their levels, and how do they compare? Use the standard reference \\(I_0 = 1 \\times 10^{-12}\\) W\/m\u00b2.<\/p>\n<p>\\[ L_1 = 10 \\log_{10}\\!\\left( \\frac{10^{-4}}{10^{-12}} \\right) = 10 \\log_{10}(10^{8}) = 10 \\times 8 = 80 \\text{ dB} \\]<\/p>\n<p>\\[ L_2 = 10 \\log_{10}\\!\\left( \\frac{10^{-6}}{10^{-12}} \\right) = 10 \\log_{10}(10^{6}) = 10 \\times 6 = 60 \\text{ dB} \\]<\/p>\n<p>\\[ \\Delta L = 80 - 60 = 20 \\text{ dB}, \\qquad \\frac{I_1}{I_2} = \\frac{10^{-4}}{10^{-6}} = 100\\times \\]<\/p>\n<p><strong>Result:<\/strong> the first source measures 80 dB, the second 60 dB. The 20 dB gap means the machine is 100 times more intense than the quieter source \u2014 roughly a jump of one full \"loudness class\" (from conversation level to the sound of heavy traffic).<\/p>\n<p>\n\r\n<\/section>\n<h2>How to Use the Sound Intensity Level Calculator<\/h2>\n<ol>\n<li>Enter the <strong>Sound intensity (I)<\/strong> of your source and pick the unit \u2014 W\/m\u00b2, mW\/m\u00b2, \u00b5W\/m\u00b2 or pW\/m\u00b2 \u2014 from the dropdown next to the field.<\/li>\n<li>Check the <strong>Reference intensity (I\u2080)<\/strong>. The default of \\(1 \\times 10^{-12}\\) W\/m\u00b2 is the ANSI\/IEC standard (the threshold of human hearing), so you rarely need to change it.<\/li>\n<li>Optionally, enter a <strong>Second intensity (I\u2082)<\/strong> with its unit to compare two sounds and see their level difference.<\/li>\n<li>Read the results: the sound intensity level in dB (plus its value in bels and dBSPL), the intensity ratio, and \u2014 if you entered a second value \u2014 the difference between the two levels with a plain-language interpretation.<\/li>\n<\/ol>\n<h2>What Is Sound Intensity Level?<\/h2>\n<p>Sound intensity is the physical power carried by a sound wave per unit area, measured in watts per square metre (W\/m\u00b2). The range of intensities the human ear can perceive is enormous: from about \\(10^{-12}\\) W\/m\u00b2 (a faint whisper in a silent room) up to \\(10^{+1}\\) W\/m\u00b2 or more (a jet at take-off). That spans thirteen orders of magnitude \u2014 far too wide a range to handle comfortably with ordinary numbers.<\/p>\n<p>The decibel scale solves this by taking a logarithm. The sound intensity level compares the measured intensity \\(I\\) to the fixed reference \\(I_0\\) and expresses the result in decibels. Because the scale is logarithmic, each tenfold increase in intensity adds exactly 10 dB, and each doubling adds about 3 dB. A normal conversation at \\(10^{-6}\\) W\/m\u00b2 is a million billion times more intense than the hearing threshold, yet it reads as a compact 60 dB.<\/p>\n<p>It is worth remembering that dB values are <em>relative<\/em>. A level is only meaningful once the reference is fixed, and \\(10^{-12}\\) W\/m\u00b2 is the internationally agreed choice. With this reference, 0 dB marks the threshold of hearing, values above 85 dB can damage hearing over prolonged exposure, and 120\u2013130 dB is the threshold of pain.<\/p>\n<h2>Interpreting the Results<\/h2>\n<p>The calculator reports the level in dB and also shows the raw intensity ratio \\(I\/I_0\\), which makes the logarithm tangible: 40 dB corresponds to \\(10^4\\) times the reference intensity, 100 dB to \\(10^{10}\\) times. In air, the intensity level scale coincides numerically with the familiar dBSPL scale used by sound level meters, so you can compare the output directly with published noise values.<\/p>\n<p>When you compare two intensities, the difference \\(\\Delta L\\) is what matters physically. A difference under 1 dB is barely perceptible, about 3 dB is just noticeable (a doubling of intensity), 5\u201310 dB is clearly audible, and 10 dB or more sounds dramatically different. Note that subjective \"twice as loud\" typically requires about a 10 dB increase \u2014 a factor of 10 in intensity \u2014 not a factor of 2.<\/p>\n<h2>Reference Values for Common Sounds<\/h2>\n<table>\n<thead>\n<tr>\n<th>Sound source<\/th>\n<th>Typical intensity (W\/m\u00b2)<\/th>\n<th>Level (dB)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Threshold of hearing<\/td>\n<td>\\(1 \\times 10^{-12}\\)<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>Whisper at 1 m<\/td>\n<td>\\(1 \\times 10^{-10}\\)<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>Quiet library<\/td>\n<td>\\(1 \\times 10^{-8}\\)<\/td>\n<td>40<\/td>\n<\/tr>\n<tr>\n<td>Normal conversation<\/td>\n<td>\\(1 \\times 10^{-6}\\)<\/td>\n<td>60<\/td>\n<\/tr>\n<tr>\n<td>Busy street traffic<\/td>\n<td>\\(1 \\times 10^{-5}\\)<\/td>\n<td>70<\/td>\n<\/tr>\n<tr>\n<td>Rock concert<\/td>\n<td>\\(1 \\times 10^{-2}\\)<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>Threshold of pain<\/td>\n<td>\\(1 \\times 10^{0}\\)<\/td>\n<td>120<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Assumptions and Limitations<\/h2>\n<ul>\n<li>The calculator assumes a free-field, plane-wave or spherically spreading sound, where intensity is well defined as power per unit area. It does not account for reflections, reverberation, or the directional properties of real sources.<\/li>\n<li>Intensity level in dB (re \\(10^{-12}\\) W\/m\u00b2) coincides with dBSPL only in air under standard conditions. In water or other media, acoustics uses different references, so keep the standard \\(I_0\\) when comparing with everyday noise figures.<\/li>\n<li>Intensity is not the same as sound power: a source of a given power produces different intensities at different distances. If you are working from distance and power, first compute \\(I = P \/ (4\\pi r^2)\\) for a source radiating in all directions.<\/li>\n<li>Decibel values are ratios, so they cannot be averaged arithmetically. For multiple sources, convert back to intensities, add them, and then recompute the level.<\/li>\n<li>Human perception of loudness is frequency-dependent; the dB values here are unweighted. Sound level meters often apply A-weighting (dBA) to approximate human hearing sensitivity.<\/li>\n<\/ul>\n<h2>Related Calculators<\/h2>\n<p>To explore related physics, try the <a href=\"https:\/\/wpcalc.com\/en\/physics\/speed-of-sound-in-air-calculator\/\">Speed of Sound in Air Calculator<\/a> to see how temperature affects sound propagation, or the <a href=\"https:\/\/wpcalc.com\/en\/physics\/mach-number-calculator\/\">Mach Number Calculator<\/a> for comparing object speeds with the speed of sound. The <a href=\"https:\/\/wpcalc.com\/en\/physics\/pressure-calculator\/\">Pressure Calculator<\/a> is also useful, since sound can alternatively be described by pressure rather than intensity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Convert sound intensity in W\/m\u00b2 to a decibel (dB) level using the standard hearing threshold reference of 10\u207b\u00b9\u00b2 W\/m\u00b2. Optionally compare two sounds to see their level difference.<\/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":[62],"tags":[87],"class_list":["post-66947","post","type-post","status-publish","format-standard","hentry","category-physics","tag-waves-optics"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66947","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=66947"}],"version-history":[{"count":1,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66947\/revisions"}],"predecessor-version":[{"id":66948,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66947\/revisions\/66948"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=66947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=66947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=66947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}