{"id":100278,"date":"2026-02-15T20:31:36","date_gmt":"2026-02-15T20:31:36","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100278"},"modified":"2026-07-16T10:08:55","modified_gmt":"2026-07-16T10:08:55","slug":"vibration-acceleration","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/hi\/calculators\/vibration-acceleration\/","title":{"rendered":"Single-Frequency Sinusoidal Vibration Converter"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Single-Frequency Sinusoidal Vibration Converter\",\"description\":\"Converts the RMS velocity of one sinusoidal vibration component to acceleration and displacement magnitudes at the same frequency. 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var(--sa-line);border-radius:7px;background:var(--sa-soft);font-family:\"Cascadia Mono\",Consolas,monospace;font-size:14px;overflow-x:auto}\n#vbm-sineacc .sa-table-wrap{overflow-x:auto}\n#vbm-sineacc table{width:100%;min-width:760px;border-collapse:collapse;font-size:13px}\n#vbm-sineacc th,#vbm-sineacc td{padding:10px;border:1px solid var(--sa-line);text-align:left;vertical-align:top}\n#vbm-sineacc th{background:var(--sa-soft);font-size:11px;text-transform:uppercase;letter-spacing:.04em}\n#vbm-sineacc a{color:var(--sa-blue)}\n#vbm-sineacc details{border-top:1px solid var(--sa-line)}\n#vbm-sineacc details:first-child{border-top:0}\n#vbm-sineacc summary{padding:14px 0;cursor:pointer;font-weight:800}\n#vbm-sineacc details p{margin:0 0 15px}\n#vbm-sineacc .sa-needs{padding:13px 15px;border:1px solid #efd794;border-radius:7px;background:var(--sa-warn-bg);color:#664a0c;font-size:13px}\n#vbm-sineacc footer{padding:28px 16px;text-align:center;color:var(--sa-muted);font-size:12px}\n@media(max-width:760px){#vbm-sineacc .sa-grid,#vbm-sineacc .sa-result-grid{grid-template-columns:1fr}#vbm-sineacc .sa-result-main{grid-column:1}#vbm-sineacc .sa-body,#vbm-sineacc .sa-results,#vbm-sineacc .sa-section-in{padding:17px}#vbm-sineacc .sa-card-head,#vbm-sineacc .sa-section h2{padding:16px 17px}}\n@media print{#vbm-sineacc .sa-actions{display:none}#vbm-sineacc .sa-card{box-shadow:none}#vbm-sineacc .sa-results{display:block}}\n<\/style>\n\n<div id=\"vbm-sineacc\">\n  <header class=\"sa-head\">\n    <p class=\"sa-eyebrow\">Engineering reference &#8211; source controlled<\/p>\n    <h1>Single-Frequency Sinusoidal Vibration Converter<\/h1>\n    <p class=\"sa-sub\">Convert the RMS velocity magnitude of one sinusoidal component to acceleration and displacement magnitudes at that same frequency. RMS, peak and peak-to-peak descriptors remain explicit.<\/p>\n    <div class=\"sa-tags\"><span class=\"sa-tag\">One spectral component<\/span><span class=\"sa-tag\">No overall-RMS shortcut<\/span><span class=\"sa-tag\">No ISO severity verdict<\/span><\/div>\n  <\/header>\n\n  <div class=\"sa-callout\"><strong>Do not use the former result for broadband vibration.<\/strong> One overall velocity RMS value can contain many frequencies. Multiplying it by one chosen frequency does not produce the overall acceleration RMS. For a spectrum, convert each complex frequency component with its own angular frequency, preserve phase and bandwidth, then combine only by a justified signal-processing method. This calculator is restricted to one sinusoidal component.<\/div>\n\n  <section class=\"sa-card\" aria-labelledby=\"sa-input-title\">\n    <div class=\"sa-card-head\"><h2 id=\"sa-input-title\">Single-component record<\/h2><p>All fields are required. Velocity may be zero; frequency must be positive. Decimal point and decimal comma are accepted, while grouped numbers, exponents and unit suffixes are rejected.<\/p><\/div>\n    <form id=\"sa-form\" class=\"sa-body\" novalidate>\n      <div class=\"sa-grid\">\n        <div>\n          <label for=\"sa-velocity\">Velocity magnitude, RMS<\/label>\n          <input id=\"sa-velocity\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" placeholder=\"e.g. 4.5\">\n          <span class=\"sa-hint\">RMS of this one sinusoidal component, not overall broadband RMS.<\/span>\n        <\/div>\n        <div>\n          <label for=\"sa-velocity-unit\">Velocity unit<\/label>\n          <select id=\"sa-velocity-unit\" required>\n            <option value=\"\" selected>Select unit&#8230;<\/option>\n            <option value=\"mmps\">mm\/s<\/option>\n            <option value=\"mps\">m\/s<\/option>\n            <option value=\"inps\">in\/s<\/option>\n          <\/select>\n          <span class=\"sa-hint\">1 in = 0.0254 m exactly.<\/span>\n        <\/div>\n        <div>\n          <label for=\"sa-frequency\">Component frequency<\/label>\n          <input id=\"sa-frequency\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" placeholder=\"e.g. 25\">\n          <span class=\"sa-hint\">The frequency of the same velocity component.<\/span>\n        <\/div>\n        <div>\n          <label for=\"sa-frequency-unit\">Frequency unit<\/label>\n          <select id=\"sa-frequency-unit\" required>\n            <option value=\"\" selected>Select unit&#8230;<\/option>\n            <option value=\"hz\">Hz<\/option>\n            <option value=\"rpm\">r\/min (RPM)<\/option>\n          <\/select>\n          <span class=\"sa-hint\">f [Hz] = rotational rate [r\/min] \/ 60 only when that order is the component being converted.<\/span>\n        <\/div>\n        <div class=\"sa-field-wide\">\n          <label for=\"sa-record\">Measurement\/component record<\/label>\n          <textarea id=\"sa-record\" placeholder=\"Measurement point and axis, sensor\/integration method, amplitude descriptor, FFT line\/order or sinusoidal source, frequency, bandwidth\/window\/filter and acquisition reference\"><\/textarea>\n          <span class=\"sa-hint\">A traceable record prevents an overall or differently filtered value from being treated as a single component.<\/span>\n        <\/div>\n      <\/div>\n\n      <fieldset>\n        <legend>Required confirmations<\/legend>\n        <label class=\"sa-check\"><input id=\"sa-confirm-sine\" type=\"checkbox\"><span>The entered velocity is the RMS magnitude of one sinusoidal component at the entered frequency, not a broadband overall, envelope, shock, transient or a sum of multiple frequency components.<\/span><\/label>\n        <label class=\"sa-check\"><input id=\"sa-confirm-descriptor\" type=\"checkbox\"><span>I verified the amplitude descriptor and units. The peak and peak-to-peak results use the sine-wave relations peak = sqrt(2) x RMS and peak-to-peak = 2 x peak.<\/span><\/label>\n        <label class=\"sa-check\"><input id=\"sa-confirm-scope\" type=\"checkbox\"><span>I understand that this result is not an ISO 20816 zone evaluation, alarm limit, machine diagnosis, sensor-bandwidth validation or proof of mechanical acceptability.<\/span><\/label>\n      <\/fieldset>\n\n      <div class=\"sa-actions\">\n        <button class=\"sa-primary\" type=\"submit\">Convert one component<\/button>\n        <button class=\"sa-secondary\" id=\"sa-example\" type=\"button\">Load worked sine example<\/button>\n        <button class=\"sa-secondary\" id=\"sa-clear\" type=\"button\">Clear<\/button>\n      <\/div>\n      <div id=\"sa-errors\" class=\"sa-errors\" role=\"alert\" aria-live=\"assertive\"><\/div>\n      <div id=\"sa-status\" class=\"sa-status\" aria-live=\"polite\">No result until the form is submitted.<\/div>\n    <\/form>\n\n    <div id=\"sa-results\" class=\"sa-results\" aria-live=\"polite\">\n      <div class=\"sa-result-grid\">\n        <div class=\"sa-result sa-result-main\"><div class=\"sa-result-label\">Acceleration magnitude, RMS<\/div><div id=\"sa-out-arms\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">For the same single sinusoidal component.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Acceleration, peak<\/div><div id=\"sa-out-apeak\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">sqrt(2) x RMS; sine wave only.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Acceleration, RMS in g_n<\/div><div id=\"sa-out-grms\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">aRMS \/ 9.80665 m\/s\u00b2.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Acceleration, peak in g_n<\/div><div id=\"sa-out-gpeak\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">aPeak \/ 9.80665 m\/s\u00b2.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Velocity, RMS<\/div><div id=\"sa-out-vrms\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">Normalized to mm\/s.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Velocity, peak<\/div><div id=\"sa-out-vpeak\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">sqrt(2) x vRMS; sine wave only.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Displacement, RMS<\/div><div id=\"sa-out-xrms\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">vRMS \/ angular frequency.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Displacement, peak<\/div><div id=\"sa-out-xpeak\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">sqrt(2) x xRMS.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Displacement, peak-to-peak<\/div><div id=\"sa-out-xpp\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">2 x peak; sine wave only.<\/div><\/div>\n        <div class=\"sa-result\"><div class=\"sa-result-label\">Component frequency<\/div><div id=\"sa-out-frequency\" class=\"sa-result-value\">&#8211;<\/div><div class=\"sa-result-note\">Hz and r\/min shown together.<\/div><\/div>\n      <\/div>\n      <div id=\"sa-out-record\" class=\"sa-source-echo\"><\/div>\n      <div class=\"sa-safety\"><strong>Not a condition or severity assessment.<\/strong> The converted magnitudes inherit every limitation of the input value, sensor, integration\/differentiation, filters, FFT window, bandwidth, leakage, noise floor and waveform assumption. Do not compare the result with an alarm or ISO zone unless the exact applicable standard part, machine class, support, operating state, measurement point, quantity, descriptor and frequency band all match.<\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"sa-section\">\n    <h2>Equations and descriptor discipline<\/h2>\n    <div class=\"sa-section-in\">\n      <h3>Single sinusoidal component<\/h3>\n      <div class=\"sa-formula\">omega = 2 pi f<br>aRMS = omega vRMS<br>aPeak = sqrt(2) aRMS<br>xRMS = vRMS \/ omega<br>xPeak = sqrt(2) xRMS<br>xPP = 2 xPeak<\/div>\n      <p>Velocity is converted to m\/s before the equations. Acceleration is in m\/s\u00b2 and displacement in metres before display conversion. The magnitudes are related at one common frequency; differentiation introduces a 90-degree phase shift between velocity and acceleration, while this page reports magnitude only.<\/p>\n      <h3>Conventional standard acceleration<\/h3>\n      <div class=\"sa-formula\">a[g_n] = a[m\/s\u00b2] \/ 9.80665<\/div>\n      <p>The BIPM SI Brochure records the conventional standard acceleration as 980.665 cm\/s\u00b2, equal to 9.80665 m\/s\u00b2. Here \u201cg_n\u201d is a ratio to that conventional reference; m\/s\u00b2 remains the coherent SI acceleration unit.<\/p>\n      <h3>Why an overall RMS value cannot use one representative frequency<\/h3>\n      <p>Differentiation weights each frequency component by its own angular frequency. A multi-frequency or random signal therefore requires frequency-domain processing of each complex component, or a validated instrument\/time-domain method with the stated filters. Peak = sqrt(2) x RMS is also a sine-wave relation, not a general crest-factor rule.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"sa-section\">\n    <h2>Standard and source record<\/h2>\n    <div class=\"sa-section-in\">\n      <div class=\"sa-table-wrap\">\n        <table>\n          <thead><tr><th>Source<\/th><th>Status checked 16 Jul 2026<\/th><th>What it supports here<\/th><th>What it does not support<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td><a href=\"https:\/\/www.iso.org\/standard\/63180.html\" rel=\"noopener\" target=\"_blank\">ISO 20816-1:2016<\/a>, Edition 1<\/td><td>Published; stage 90.92, to be revised; ISO\/FDIS 20816-1 is under development.<\/td><td>General measurement\/evaluation framework; different quantities and methods require clear definition and limitations.<\/td><td>It is not the source of these elementary sine equations and does not make this an \u201cISO 20816 calculator\u201d.<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/www.iso.org\/standard\/78311.html\" rel=\"noopener\" target=\"_blank\">ISO 20816-3:2022<\/a>, Edition 1<\/td><td>Published; stage 90.92, to be revised.<\/td><td>Illustrates why evaluation scope matters: coupled industrial machines above 15 kW and 120 to 30,000 r\/min, with specified measurement\/application conditions.<\/td><td>It does not justify universal \u201cgood\/acceptable\/alarm\u201d acceleration bands or a generic g threshold.<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/www.iso.org\/standard\/68734.html\" rel=\"noopener\" target=\"_blank\">ISO 2041:2018<\/a>, Edition 4<\/td><td>Published and confirmed in 2024; stage 90.93.<\/td><td>Current mechanical-vibration, shock and condition-monitoring vocabulary reference.<\/td><td>A vocabulary standard is not a machine-severity table.<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/www.bksv.com\/media\/doc\/br0094.pdf\" rel=\"noopener\" target=\"_blank\">Br\u00fcel &amp; Kj\u00e6r, Measuring Vibration, br0094<\/a>, PDF metadata modified 2016, pp. 5-7<\/td><td>Official manufacturer primer; pages visually checked.<\/td><td>Sine RMS\/peak\/peak-to-peak descriptors; sinusoidal displacement\/velocity\/acceleration relationship; multi-frequency wideband measurements weight parameters differently.<\/td><td>Its historical practical bands are not imported as current universal ISO limits.<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/www.bipm.org\/en\/si-brochure-9\" rel=\"noopener\" target=\"_blank\">BIPM SI Brochure, 9th edition, version 4.01<\/a>, June 2026, Appendix 1 p. 154<\/td><td>Current official SI brochure version at the audit date.<\/td><td>Conventional standard acceleration g_n = 980.665 cm\/s\u00b2 = 9.80665 m\/s\u00b2.<\/td><td>g_n conversion alone does not establish vibration severity.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <div class=\"sa-needs\"><strong>NEEDS_LICENSED_SOURCE:<\/strong> the full normative text of ISO 20816-1:2016, ISO 20816-3:2022 and ISO 2041:2018 is not licensed in this audit record. No clause number, zone boundary, alarm threshold or \u201cISO formula\u201d is invented. The equations above are classified as simple-harmonic-motion mathematics supported by the cited full manufacturer primer.<\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"sa-section\">\n    <h2>Worked sine example<\/h2>\n    <div class=\"sa-section-in\">\n      <p>For one 25 Hz sinusoidal component with velocity 4.5 mm\/s RMS: omega = 157.0796327 rad\/s, aRMS = 0.7068583471 m\/s\u00b2, aPeak = 0.9996486611 m\/s\u00b2, xRMS = 28.64788976 \u00b5m and xPP = 81.02846845 \u00b5m. The button loads these values but deliberately leaves the confirmations unchecked. This arithmetic example applies the published sine relationships; it is not an ISO acceptance example.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"sa-section\">\n    <h2>Common invalid uses<\/h2>\n    <div class=\"sa-section-in\">\n      <ul>\n        <li>Using an overall 10-1000 Hz velocity RMS and shaft speed to claim overall acceleration.<\/li>\n        <li>Using one dominant-frequency estimate when significant harmonics, gear mesh, bearing bands, impacts, modulation or random vibration are present.<\/li>\n        <li>Converting RMS to peak with sqrt(2) for a non-sinusoidal waveform, shock or envelope signal.<\/li>\n        <li>Comparing the calculated g value to generic condition bands without the exact machine\/product\/standard procedure.<\/li>\n        <li>Treating RPM as vibration frequency when the component is at another order, blade\/vane pass, gear mesh or bearing-defect frequency.<\/li>\n        <li>Ignoring sensor response, integration drift, high-pass\/low-pass filters, spectral leakage, window correction and noise.<\/li>\n      <\/ul>\n    <\/div>\n  <\/section>\n\n  <section class=\"sa-section\">\n    <h2>Frequently asked questions<\/h2>\n    <div class=\"sa-section-in\">\n      <details><summary>Can I convert overall velocity RMS to acceleration using running speed?<\/summary><p>Only if the measured signal is demonstrably one sinusoid at running speed. A broadband overall contains multiple components, each of which is weighted by its own frequency during differentiation.<\/p><\/details>\n      <details><summary>Does the result comply with ISO 20816?<\/summary><p>The arithmetic is not an ISO 20816 formula or evaluation. An ISO assessment requires the applicable part, machine scope, measurement quantity and descriptor, frequency band, point\/direction, support, operating state and all stated criteria.<\/p><\/details>\n      <details><summary>Why are RMS, peak and peak-to-peak shown separately?<\/summary><p>They are different amplitude descriptors. For one sine wave only, peak equals sqrt(2) times RMS and peak-to-peak equals twice peak. Those factors do not describe an arbitrary waveform.<\/p><\/details>\n      <details><summary>Is g the local acceleration due to gravity?<\/summary><p>No. This page uses the conventional standard acceleration g_n = 9.80665 m\/s\u00b2 as a reference ratio. It does not use location-dependent free-fall acceleration.<\/p><\/details>\n    <\/div>\n  <\/section>\n\n  <footer>Scientific audit revision: 16 July 2026. English source page; translations are reviewed only after the source is verified.<\/footer>\n<\/div>\n\n<script>\n(function(){\n  'use strict';\n  var root=document.getElementById('vbm-sineacc');\n  if(!root)return;\n  var G_N=9.80665,MMPS_TO_MPS=0.001,INPS_TO_MPS=0.0254;\n  function byId(id){return document.getElementById(id)}\n  var form=byId('sa-form'),results=byId('sa-results'),errors=byId('sa-errors'),status=byId('sa-status');\n  function parseDecimal(raw,allowZero){\n    var s=String(raw).trim();\n    if(!s||s.length>40||!\/^(?:\\d+(?:[.,]\\d*)?|[.,]\\d+)$\/.test(s))throw new Error('format');\n    var n=Number(s.replace(',','.'));\n    if(!Number.isFinite(n)||n<0||(!allowZero&&n===0)||n>1000000000000)throw new Error('range');\n    return n;\n  }\n  function fmt(n,d){\n    if(!Number.isFinite(n))return '-';\n    if(n===0)return'0';\n    var a=Math.abs(n);if(a>=100000000||a<0.000001)return n.toExponential(6);\n    return n.toFixed(d).replace(\/(\\.\\d*?[1-9])0+$\/,'$1').replace(\/\\.0+$\/,'');\n  }\n  function velocityToMps(value,unit){if(unit==='mmps')return value*MMPS_TO_MPS;if(unit==='mps')return value;if(unit==='inps')return value*INPS_TO_MPS;return NaN}\n  function frequencyToHz(value,unit){if(unit==='hz')return value;if(unit==='rpm')return value\/60;return NaN}\n  function hideResults(){results.classList.remove('sa-show');errors.classList.remove('sa-show');errors.textContent='';status.textContent='Inputs changed; submit again to create a new controlled result.'}\n  function showErrors(items){\n    errors.textContent='';var strong=document.createElement('strong');strong.textContent='Correct the following:';errors.appendChild(strong);var list=document.createElement('ul');\n    items.forEach(function(item){var li=document.createElement('li');li.textContent=item;list.appendChild(li)});errors.appendChild(list);errors.classList.add('sa-show');status.textContent='No result was produced.';\n  }\n  function collect(){\n    var messages=[],velocity=NaN,frequency=NaN;\n    try{velocity=parseDecimal(byId('sa-velocity').value,true)}catch(e){messages.push('Velocity must be one non-negative ungrouped decimal number.');}\n    try{frequency=parseDecimal(byId('sa-frequency').value,false)}catch(e){messages.push('Frequency must be one positive ungrouped decimal number.');}\n    var velocityUnit=byId('sa-velocity-unit').value,frequencyUnit=byId('sa-frequency-unit').value;\n    if(!['mmps','mps','inps'].includes(velocityUnit))messages.push('Select the velocity unit.');\n    if(!['hz','rpm'].includes(frequencyUnit))messages.push('Select Hz or r\/min for frequency.');\n    var record=byId('sa-record').value.trim();if(record.length<12)messages.push('Enter an identifiable measurement\/component record.');\n    if(!byId('sa-confirm-sine').checked)messages.push('Confirm the single-sinusoidal-component scope.');\n    if(!byId('sa-confirm-descriptor').checked)messages.push('Confirm the amplitude descriptor and sine-wave factors.');\n    if(!byId('sa-confirm-scope').checked)messages.push('Confirm that this is not an ISO severity or condition assessment.');\n    if(messages.length)return{messages:messages};\n    var vMps=velocityToMps(velocity,velocityUnit),fHz=frequencyToHz(frequency,frequencyUnit);\n    if(!Number.isFinite(vMps)||!Number.isFinite(fHz)||vMps<0||fHz<=0){messages.push('The normalized velocity and frequency must be finite.');return{messages:messages}}\n    return{messages:messages,vMps:vMps,fHz:fHz,record:record};\n  }\n  function convert(x){\n    var omega=2*Math.PI*x.fHz,aRms=omega*x.vMps,aPeak=Math.SQRT2*aRms,gRms=aRms\/G_N,gPeak=aPeak\/G_N,xRms=x.vMps\/omega,xPeak=Math.SQRT2*xRms,xPP=2*xPeak,vPeak=Math.SQRT2*x.vMps,rpm=x.fHz*60;\n    var values=[omega,aRms,aPeak,gRms,gPeak,xRms,xPeak,xPP,vPeak,rpm];if(!values.every(Number.isFinite))throw new Error('nonfinite');\n    return{omega:omega,aRms:aRms,aPeak:aPeak,gRms:gRms,gPeak:gPeak,xRms:xRms,xPeak:xPeak,xPP:xPP,vPeak:vPeak,rpm:rpm};\n  }\n  form.addEventListener('submit',function(event){\n    event.preventDefault();results.classList.remove('sa-show');errors.classList.remove('sa-show');errors.textContent='';var x=collect();if(x.messages.length){showErrors(x.messages);return}\n    var r;try{r=convert(x)}catch(e){showErrors(['The normalized calculation exceeded the supported finite range.']);return}\n    byId('sa-out-arms').textContent=fmt(r.aRms,8)+' m\/s\u00b2 RMS';byId('sa-out-apeak').textContent=fmt(r.aPeak,8)+' m\/s\u00b2 peak';byId('sa-out-grms').textContent=fmt(r.gRms,9)+' g_n RMS';byId('sa-out-gpeak').textContent=fmt(r.gPeak,9)+' g_n peak';\n    byId('sa-out-vrms').textContent=fmt(x.vMps*1000,8)+' mm\/s RMS';byId('sa-out-vpeak').textContent=fmt(r.vPeak*1000,8)+' mm\/s peak';byId('sa-out-xrms').textContent=fmt(r.xRms*1000000,8)+' \u00b5m RMS';byId('sa-out-xpeak').textContent=fmt(r.xPeak*1000000,8)+' \u00b5m peak';byId('sa-out-xpp').textContent=fmt(r.xPP*1000000,8)+' \u00b5m p-p';byId('sa-out-frequency').textContent=fmt(x.fHz,8)+' Hz; 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Confirmations remain unchecked; verify the source and scope before submitting.';\n  });\n  byId('sa-clear').addEventListener('click',function(){form.reset();results.classList.remove('sa-show');errors.classList.remove('sa-show');errors.textContent='';status.textContent='Cleared. No result until the form is submitted.'});\n})();\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Convert the RMS velocity magnitude of one sinusoidal vibration component to acceleration and displacement at the same frequency; not for broadband overall RMS or ISO severity.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100278","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/calculator\/100278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":3,"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/calculator\/100278\/revisions"}],"predecessor-version":[{"id":102620,"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/calculator\/100278\/revisions\/102620"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/media?parent=100278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/categories?post=100278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hi\/wp-json\/wp\/v2\/tags?post=100278"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}