{"id":66428,"date":"2026-10-06T10:08:43","date_gmt":"2026-10-06T07:08:43","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=66428"},"modified":"2026-10-06T10:08:43","modified_gmt":"2026-10-06T07:08:43","slug":"contraction-timer","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/pregnancy-baby\/contraction-timer\/","title":{"rendered":"Contraction Timer"},"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\">Track Contraction Length and Spacing<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"66428\" data-favorite-title=\"Contraction Timer\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/pregnancy-baby\/contraction-timer\/\" data-favorite-excerpt=\"Log the start and end times of up to six contractions and instantly see how long each one lasts, how far apart they are, and whether they match the 5-1-1 labor pattern.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-embryo\">\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\/pregnancy-baby\/contraction-timer\/\" method=\"POST\" class=\"calculator\" id=\"calculator-66428\" data-post=\"66428\"><fieldset class=\"fieldset-input is-2\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Contraction 1 \u2014 start<\/label><input type=\"time\" name=\"contraction_1_start\" id=\"field-1\" aria-describedby=\"calc-info-1\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:04:00\"\/><small id=\"calc-info-1\">Enter times as hh:mm or hh:mm:ss (24-hour clock).<\/small><\/div><div class=\"field\" id=\"input-2\"><label for=\"field-2\">Contraction 1 \u2014 end<\/label><input type=\"time\" name=\"contraction_1_end\" id=\"field-2\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:04:45\"\/><\/div><div class=\"field\" id=\"input-3\"><label for=\"field-3\">Contraction 2 \u2014 start<\/label><input type=\"time\" name=\"contraction_2_start\" id=\"field-3\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:12:30\"\/><\/div><div class=\"field\" id=\"input-4\"><label for=\"field-4\">Contraction 2 \u2014 end<\/label><input type=\"time\" name=\"contraction_2_end\" id=\"field-4\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:13:20\"\/><\/div><div class=\"field\" id=\"input-5\"><label for=\"field-5\">Contraction 3 \u2014 start<\/label><input type=\"time\" name=\"contraction_3_start\" id=\"field-5\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:21:00\"\/><\/div><div class=\"field\" id=\"input-6\"><label for=\"field-6\">Contraction 3 \u2014 end<\/label><input type=\"time\" name=\"contraction_3_end\" id=\"field-6\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:21:40\"\/><\/div><div class=\"field\" id=\"input-7\"><label for=\"field-7\">Contraction 4 \u2014 start<\/label><input type=\"time\" name=\"contraction_4_start\" id=\"field-7\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:29:00\"\/><\/div><div class=\"field\" id=\"input-8\"><label for=\"field-8\">Contraction 4 \u2014 end<\/label><input type=\"time\" name=\"contraction_4_end\" id=\"field-8\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:30:00\"\/><\/div><div class=\"field\" id=\"input-9\"><label for=\"field-9\">Contraction 5 \u2014 start<\/label><input type=\"time\" name=\"contraction_5_start\" id=\"field-9\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:36:30\"\/><\/div><div class=\"field\" id=\"input-10\"><label for=\"field-10\">Contraction 5 \u2014 end<\/label><input type=\"time\" name=\"contraction_5_end\" id=\"field-10\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:37:15\"\/><\/div><div class=\"field\" id=\"input-11\"><label for=\"field-11\">Contraction 6 \u2014 start<\/label><input type=\"time\" name=\"contraction_6_start\" id=\"field-11\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:44:00\"\/><\/div><div class=\"field\" id=\"input-12\"><label for=\"field-12\">Contraction 6 \u2014 end<\/label><input type=\"time\" name=\"contraction_6_end\" id=\"field-12\" placeholder=\"hh:mm or hh:mm:ss\" step=\"any\" value=\"20:45:00\"\/><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"66428\">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> Your Contraction Summary<\/h3><div class=\"result-box\"><div class=\"field-result is-column\" id=\"output-1\"><span class=\"field-title\"><span>Contraction log<\/span><span class=\"result-term\">log<\/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\" id=\"output-2\"><span class=\"field-title\"><span>Average duration (all)<\/span><span class=\"result-term\">avg dur<\/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>Average interval between starts (all)<\/span><span class=\"result-term\">avg int<\/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\" id=\"output-4\"><span class=\"field-title\"><span>Average duration (last 3)<\/span><span class=\"result-term\">rec dur<\/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 class=\"field-result\" id=\"output-5\"><span class=\"field-title\"><span>Average interval between starts (last 3)<\/span><span class=\"result-term\">rec int<\/span><\/span><span class=\"field-value\" id=\"result-5\"><\/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-6\"><span class=\"field-title\"><span>Pattern check (5-1-1 rule)<\/span><span class=\"result-term\">pattern<\/span><\/span><span class=\"field-value\" id=\"result-6\"><\/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=\"66428\" 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>Contraction Timer 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\\[\nD_i = E_i - S_i, \\qquad I_i = S_{i+1} - S_i\n\\]\n<strong>Where:<\/strong>\n<ul>\n<li>\\(D_i\\) \u2014 duration of contraction \\(i\\), in seconds<\/li>\n<li>\\(E_i\\) \u2014 end time of contraction \\(i\\), in seconds since midnight<\/li>\n<li>\\(S_i\\) \u2014 start time of contraction \\(i\\), in seconds since midnight<\/li>\n<li>\\(I_i\\) \u2014 interval between the starts of two consecutive contractions<\/li>\n<\/ul>\nThe average duration is the sum of all durations divided by the number of contractions, and the average interval is the sum of all intervals divided by the number of intervals. If an end time or start time falls past midnight, 24 hours (86 400 seconds) are added so the difference stays positive.\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p>Using these values, the calculator also runs a <strong>5-1-1 check<\/strong>: contractions arriving about 5 minutes apart (interval \\(\\le 300\\) seconds), lasting about 1 minute (duration \\(\\ge 45\\) seconds). The check uses the last two to three contractions, because recent values show the current trend better than an average over the whole session.<\/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>Contraction Timer \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> six contractions timed between 20:04 and 20:45.<\/p>\n<p>\\[ D_1 = 20{:}04{:}45 - 20{:}04{:}00 = 45 \\text{ s} \\]<\/p>\n<p>\\[ I_1 = 20{:}12{:}30 - 20{:}04{:}00 = 510 \\text{ s} = 8 \\text{ m } 30 \\text{ s} \\]<\/p>\n<p>Repeating this for all six contractions gives durations of 45 s, 50 s, 40 s, 60 s, 45 s and 60 s, and intervals of 8 m 30 s, 8 m 30 s, 8 m, 7 m 30 s and 7 m 30 s.<\/p>\n<p>\\[ \\bar{D}_{\\text{all}} = \\frac{45+50+40+60+45+60}{6} = 50 \\text{ s} \\]<\/p>\n<p>\\[ \\bar{I}_{\\text{all}} = \\frac{510+510+480+450+450}{5} = 480 \\text{ s} = 8 \\text{ m} \\]<\/p>\n<p>For the last three contractions (60 s, 45 s, 60 s) the average duration is <strong>55 s<\/strong>, and the last two intervals (7 m 30 s each) give a recent average interval of <strong>7 m 30 s<\/strong>.<\/p>\n<p><strong>Result:<\/strong> average duration 50 s, average interval 8 m (all contractions); recent averages 55 s and 7 m 30 s. The contractions are getting closer together but do not yet fit the 5-1-1 pattern \u2014 keep timing them.<\/p>\n<p>\n\r\n<\/section>\n<h2>How to Use the Contraction Timer<\/h2>\n<ol>\n<li>Note the clock time when a contraction begins and when it eases off. A phone stopwatch or a notes app works well.<\/li>\n<li>Enter the start time in the <strong>Contraction 1 \u2014 start<\/strong> field and the finish time in <strong>Contraction 1 \u2014 end<\/strong>, using the 24-hour clock (hh:mm or hh:mm:ss).<\/li>\n<li>Repeat for each contraction in <strong>Contraction 2<\/strong> through <strong>Contraction 6<\/strong>. Leave unused rows blank \u2014 the calculator ignores them.<\/li>\n<li>Check the <strong>Contraction log<\/strong> table for each contraction's duration and the gap since the previous one.<\/li>\n<li>Compare the averages of all contractions with the recent averages (last three), and read the <strong>Pattern check (5-1-1 rule)<\/strong> message for guidance.<\/li>\n<\/ol>\n<h2>What the Numbers Mean<\/h2>\n<p>A contraction is a wave of tightening in the uterus. Two measurements describe it: <strong>duration<\/strong> \u2014 how long each tightening lasts, measured from the moment it starts to the moment it fully eases \u2014 and <strong>interval<\/strong> \u2014 the time from the start of one contraction to the start of the next. The interval, not the gap between contractions, is what midwives and doctors usually ask for, because it shows how frequently they are coming.<\/p>\n<p>In early labor, contractions are typically short (20\u201340 seconds) and irregular, often 10\u201320 minutes apart or more. As labor progresses they become longer, stronger and closer together. The classic <strong>5-1-1 rule<\/strong> suggests calling your midwife or heading to your birth place when contractions have been coming about every 5 minutes, lasting about 1 minute each, for at least 1 hour. The calculator compares your recent intervals and durations against this pattern automatically.<\/p>\n<p>The recent averages (last three contractions) matter more than the overall averages. If the recent interval is shorter than the overall one, contractions are speeding up \u2014 exactly what you want to track as labor advances. A session of six contractions spans roughly 40 minutes, which is why the 5-1-1 check here is a snapshot rather than proof that the pattern has held for a full hour.<\/p>\n<h2>Practical Tips and Limitations<\/h2>\n<ul>\n<li><strong>Timing method:<\/strong> count from the very first tightening, through the peak, to the moment the uterus fully relaxes. Ask your birth partner to do the timing so you can focus on breathing.<\/li>\n<li><strong>Don't stop at six:<\/strong> if you have been timing for more than an hour, use the six most recent contractions to keep the averages current.<\/li>\n<li><strong>Braxton Hicks:<\/strong> practice contractions are usually irregular, under 45 seconds, and stay the same or fade when you change position or drink water. True labor contractions keep coming regardless.<\/li>\n<li><strong>Midnight crossing:<\/strong> the calculator handles sessions that span midnight, as long as each contraction's end time is later than its start time.<\/li>\n<li><strong>Medical situations:<\/strong> contact your care provider right away \u2014 regardless of any pattern \u2014 if your water breaks, you notice bleeding, the pain is severe and constant, the baby moves noticeably less, or you are before 37 weeks. This tool offers information, not medical advice, and never replaces a phone call to your midwife or doctor.<\/li>\n<li><strong>Other guidance:<\/strong> some providers use a 4-1-1 rule (4 minutes apart, 1 minute long, 1 hour), especially for first births or long distances to the hospital. Ask at a prenatal appointment which rule applies to you.<\/li>\n<\/ul>\n<p>While you wait for labor, you may find our <a href=\"https:\/\/wpcalc.com\/en\/pregnancy-baby\/pregnancy-due-date\/\">Pregnancy Due Date<\/a> calculator and the <a href=\"https:\/\/wpcalc.com\/en\/pregnancy-baby\/gestational-age\/\">Gestational Age (AOG)<\/a> calculator useful for keeping track of where you are in the pregnancy. After the birth, the <a href=\"https:\/\/wpcalc.com\/en\/pregnancy-baby\/infant-feeding-volume\/\">Infant Feeding Volume<\/a> calculator and the <a href=\"https:\/\/wpcalc.com\/en\/pregnancy-baby\/child-development-tracker\/\">Child Development Tracker<\/a> can help with the next stage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Log the start and end times of up to six contractions and instantly see how long each one lasts, how far apart they are, and whether they match the 5-1-1 labor pattern.<\/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":[45],"tags":[47],"class_list":["post-66428","post","type-post","status-publish","format-standard","hentry","category-pregnancy-baby","tag-pregnancy-tracking"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66428","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=66428"}],"version-history":[{"count":1,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66428\/revisions"}],"predecessor-version":[{"id":66429,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/66428\/revisions\/66429"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=66428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=66428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=66428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}