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<html> <head><script type="text/javascript" src="https://web-static.archive.org/_static/js/bundle-playback.js?v=7YQSqjSh" charset="utf-8"></script> <script type="text/javascript" src="https://web-static.archive.org/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="https://web-static.archive.org/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("https://www.bipm.org/en/conference-centre/directions/","20200527212703","https://web.archive.org/","web","https://web-static.archive.org/_static/", "1590614823"); </script> <link rel="stylesheet" type="text/css" href="https://web-static.archive.org/_static/css/banner-styles.css?v=p7PEIJWi" /> <link rel="stylesheet" type="text/css" href="https://web-static.archive.org/_static/css/iconochive.css?v=3PDvdIFv" />  <meta http-equiv="X-UA-Compatible" content="IE=8"/> <title>BIPM - where to find us</title> <meta name="description" content="How to get to the BIPM"> <script language="javascript" src="/web/20200527212703js_/https://www.bipm.org/utils/onLoad.js"> </script> <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//web.archive.org/web/20200527212703/https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-38070491-1', 'auto'); ga('send', 'pageview'); </script> <script src="/web/20200527212703js_/https://www.bipm.org/utils/jquery/jquery-1.10.2.min.js"></script> <script src="/web/20200527212703js_/https://www.bipm.org/utils/jquery/jquery-ui-1.10.3.custom/js/jquery-ui-1.10.3.custom.js"></script> <script src="/web/20200527212703js_/https://www.bipm.org/utils/zee/unslider.min.js"></script> <script src="/web/20200527212703js_/https://www.bipm.org/utils/zee/slider.js"></script> <script src="/web/20200527212703js_/https://www.bipm.org/utils/zee/cookie.js"></script> <link rel="stylesheet" href="/web/20200527212703cs_/https://www.bipm.org/utils/jquery/jquery-ui-1.10.3.custom/css/smoothness/jquery-ui-1.10.3.custom.css"> <link rel="stylesheet" href="/web/20200527212703cs_/https://www.bipm.org/resources/demos/style.css"> <link rel="stylesheet" href="/web/20200527212703cs_/https://www.bipm.org/utils/typoZEE.css" type="text/css"> </head> <body bgcolor="#FFFFFF" leftmargin="0" rightmargin="0" topmargin="0" marginwidth="0" marginheight="0">  <a name="haut">  <center> <table width="1000" cellspacing="0" cellpadding="2" border="0"> <tr> <td width="10"></td><td width="180"></td><td width="530"></td><td width="270"></td><td width="10"></td></tr> <tr height="90"> <td width="10"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10" height="90"></td> <td width="180" valign="center" align="left"><a href="/web/20200527212703/https://www.bipm.org/en/about-us/" title="BIPM home page"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/logoBIPM-RB.jpg" border="0"></a></td> <td width="530" valign="center" align="center" class="intro">    the intergovernmental organization through which Member States act together<br>      on matters related to measurement science and measurement standards.</td> <td width="270" align="center" valign="top"> <script language="javascript"> function ActionForm(f) { f.q.style.background = "white"; } </script> <form name="search" action="https://web.archive.org/web/20200527212703/https://search.bipm.org/bipm/en/C="> <table width="180" align="right" valign="top" border="0"> <tr height="50"> <td valign="bottom" class="intro">Search facility: <input onclick="ActionForm(this.form)" style="vertical-align: middle;background-image:url(/web/20200527212703im_/https://www.bipm.org/utils/en/img/bipm_portal.gif); background-repeat:no-repeat; background-position:center right;" type="text" name="q" size="25" maxlength="50"> <input type="hidden" name="action" value="s"> <input type="hidden" name="setcontext" value=""> </td> <td height="25" colspan="2" width="50" valign="bottom" align="left"><input type="image" src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/exalead.gif" border="0"></td> </tr> </table> </form> <br> <br> <img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="270" height="15" border="0"> <nobr><a href="/web/20200527212703/https://www.bipm.org/en/about-us/"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/home.png" border="0"></a> | <a class="navigation" href="/web/20200527212703/https://www.bipm.org/en/about-us/map.html">Site map</a> | <a class="navigation" href="/web/20200527212703/https://www.bipm.org/en/news/">News</a> | <a class="navigation" href="javascript:hidden_email('webmaster','bipm.org','BIPM website');">Contact us</a> | [<a id="langChange" data-lang="fr" href="/web/20200527212703/https://www.bipm.org/fr/conference-centre/directions/" class="GrosTitreVO"> FR </a>] </nobr> </td> <td width="10"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10" height="90"></td> </tr> </table>   <table width="1000" border="0" cellspacing="0" cellpadding="0"> <tr> <td nowrap width="100%"> <style media="all" type="text/css"></style> <div class="menu"> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/about-us/" target="_self">  About us</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/about-us/role.html" target="_self">Our role and objectives</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/about-us/governance/" target="_self">Governance</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/about-us/member-states/" target="_self">Member States</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/about-us/associates/" target="_self">Associates</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/" target="_self">International System of Units (SI)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/" target="_self">International equivalence of measurements<br>(CIPM MRA)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/" target="_self">Our committees</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/" target="_self">Our work programme</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/sections/" target="_self">The BIPM staff</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/vacancies/" target="_self">Jobs and Secondments</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/procurement/" target="_self">Procurement</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/directions/" target="_self">How to get to the BIPM</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/about-us/pavillon-de-breteuil/" target="_self">History of the Pavillon de Breteuil</a></li> </ul> </li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/" target="_self"> Worldwide metrology</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/" target="_self">What is metrology?</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/" target="_self">International equivalence of measurements<br>(CIPM MRA)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/metre-convention/" target="_self">The Metre Convention</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/cgpm/" target="_self">The General Conference (CGPM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cipm/" target="_self">The International Committee (CIPM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/" target="_self">CIPM Consultative Committees (CCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/national/" target="_self">National Metrology Institutes (NMIs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/regional/" target="_self">Regional Metrology Organizations (RMOs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/jc/" target="_self">Joint Committees</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/liaisons/" target="_self">BIPM liaison work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cbkt/" target="_self">BIPM Capacity Building & Knowledge Transfer Programme</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://www.worldmetrologyday.org/" target="_blank">World Metrology Day</a></li> </ul> </li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/" target="_self"> International equivalence</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/" target="_self">What is the CIPM MRA?</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/participation/" target="_self">Participating laboratories</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/cipm-mra-documents/" target="_self">CIPM MRA documents</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/" target="_self">BIPM key comparison database <img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"></a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/default.asp" target="_kcdb">Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/approval-process.html" target="_self">CMC approval process</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cipm-mra/logo/" target="_self">Use of the CIPM MRA logo</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/jc/jcrb/" target="_self">JCRB: Joint Committee of the RMOs and the BIPM</a></li> </ul> </li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/" target="_self"> SI units</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/" target="_self">The International System of Units (SI)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/si-brochure/" target="_self">SI Brochure</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/si-brochure/appendix1.html" target="_self">Decisions of the CGPM and the CIPM</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/mises-en-pratique/" target="_self">How to realize the definitions in practice</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/base-units.html" target="_self">Unit definitions</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/prefixes.html" target="_self">SI prefixes</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/si-download-area/" target="_self">Revised SI: Download area</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/history-si/" target="_self">Brief history of the SI</a></li> </ul> </li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/" target="_self"> Services</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/comparisons/" target="_self">Comparisons piloted by the BIPM</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/calibrations/" target="_self">Calibration and measurement services</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/tai/" target="_self">Timescales</a></li> <li><a href="https://web.archive.org/web/20200527212703/https://kcdb.bipm.org/" target="_self"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif" alt="KCDB" vspace="2"></a></li> <li><a href="https://web.archive.org/web/20200527212703/https://www.bipm.org/jctlm/" target="_self"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_jctlm_pt.gif" alt="JCTLM" vspace="2"></a></li> <li><a href="https://web.archive.org/web/20200527212703/http://imrr.bipm.org/" target="_self"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_imrr_pt.gif" alt="IMRR" vspace="2"></a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/si-brochure/" target="_self">SI Brochure</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://iopscience.iop.org/0026-1394/" target="metrologia"><i>Metrologia</i></a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/" target="_self">Meetings</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/mises-en-pratique/standard-frequencies.html" target="_self">Recommended values of standard frequencies</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/ionizing/radionuclides/sir/" target="_self">International Reference System (SIR)</a></li> </ul> </li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/" target="_self"> Publications</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/si-brochure/" target="_self">SI Brochure</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/mises-en-pratique/" target="_self"><i>Mises en pratique</i></a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/directors-report/" target="_self">Annual Director's Report</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cipm/publications-cipm.html#ra" target="_self"><i>Rapport aux Gouvernements</i></a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cipm/publications-cipm.html#no" target="_self">Notification of Contributions</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/" target="_self">Official proceedings</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/cgpm/resolutions.html" target="_self">Resolutions of the General Conference</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/open-literature/" target="_self">Scientific output</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://iopscience.iop.org/0026-1394/" target="metrologia"><i>Metrologia</i></a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/guides/" target="_self">Guides in Metrology</a></li> </ul> </li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/diary/" target="_self"> Meetings</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/diary/" target="_self">List of meetings</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/" target="_self">BIPM Conference Centre</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/directions/" target="_self">How to get to the BIPM</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/cgpm-2018/" target="_self">General Conference (CGPM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cipm/" target="_self">International Committee (CIPM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/" target="_self">Consultative Committees and Working Groups</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/bipm-workshops/" target="_self">BIPM Workshops</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/other-events/" target="_self">Other BIPM events</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/" target="_self">Meeting reports</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/metrology-events.html" target="_self">External events</a></li> </ul> </li> </ul> </div> </td> </tr> </table>   <table width="1000" height="25" border="0" cellspacing="0" cellpadding="0"> <tr height="25"> <td height="25" bgcolor="#DBE3EB"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="10"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10"></td> <td class="navigation" width="100%">> You are here: <a href="/web/20200527212703/https://www.bipm.org/en/conference-centre/" class="navigation">BIPM Conference Centre</a> > where to find us </td> <td width="10"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10"></td> </tr> </table> </td> </tr> </table>   <center> <table width="1000" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="10" height="50"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10" height="50"></td> <td align="left" width="100%" height="50" background="/web/20200527212703im_/https://www.bipm.org/utils/common/img/cadre_trait.gif"> <table width="100%" border="0" background="/web/20200527212703im_/https://www.bipm.org/en/conference-centre/directions/"> <tr> <td align="left" class="GrosTitre"><div name="exalead-titre">How to get to the BIPM</div></td> </tr> </table> </td> <td width="10" height="50"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10" height="50"></td> </tr> </table> </center>   <table width="1000" border="0" cellspacing="0" cellpadding="0"> <tr valign="top"> <td width="10"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10"></td> <td width="100%" valign="top">  <div name="exalead" valign="top"> <table width="100%" bgcolor="#EDF1F5" border="0" cellpadding="0" cellspacing="0"> <tr> <td colspan="3"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="100%" height="10"></td></tr> <tr> <td width="15"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="15"></td> <td width="100%" class="introGrasGauche"> <script> $(function() { $( "#tabs" ).tabs(); $( "#accordion1" ).accordion({ heightStyle: "content", collapsible: true, }); $( "#accordion2" ).accordion({ heightStyle: "content", collapsible: true, }); $( "#accordion3" ).accordion({ heightStyle: "content", collapsible: true, }); $( "#accordion" ).accordion({ heightStyle: "content", }); $( "#accordion5" ).accordion({ heightStyle: "content", collapsible: true, }); }); </script> <div id="accordion"> <h3>Where to find us</h3> <div class="txt12pt"> <p><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/fleche_jaune.gif" width="29" height="14" alt="">The BIPM is situated in the Parc de Saint-Cloud, at Sèvres, in the suburbs south-west of Paris.</p> <ul class="txt12pt"> <li>Postal address: <b>Pavillon de Breteuil, F-92312 Sèvres Cedex</b></li> <li>Street address: <b>12bis Grande Rue, F-92310 Sèvres</b></li><br> <ul> <li><a href="javascript:OpenMap()" class="introGras">View map</a></li> <li><a href="javascript:MapDetail()" class="introGras">View detail</a></li> </ul> </ul> </div> </div> <div id="accordion1"> <h3>Public transport</h3> <div class="txt12pt"> <ul class="txt12pt"><li> <b>Metro line 9</b> to Pont-de-Sèvres, then a bus <nobr>no. 171</nobr>, 169, 179 or 426 to the 2nd stop: Parc de Saint-Cloud.<br> Alternatively, it's a <nobr>15 minute</nobr> walk from the metro.</li> <span class="txt11ptl"><br>OR<br><br></span> <li><b>Tram line T2</b> to Musée de Sèvres, then a bus no. 171, 169, 179 or 426 to the next stop: Parc de Saint-Cloud.<br> Alternatively, it's a 10 minute walk from the tram line.</li> <br> Full information about public transport in Paris is available from the <a href="https://web.archive.org/web/20200527212703/http://www.ratp.fr/en/" class="introGras" target="new">RATP website</a>. </ul> </div> </div> <div id="accordion2"> <h3>Travelling by car</h3> <div class="txt12pt"> <ul class="txt12pt"> <li>Take the <b>Porte de Saint-Cloud</b> exit from the <i>Périphérique</i> and follow the <b>nationale 10</b> towards Versailles.<br> <br> The Parc de Saint-Cloud is on the right after crossing the Seine, before you arrive at the main town of Sèvres.</li></ul> </div> </div> <div id="accordion3"> <h3>Paris airports</h3> <div class="txt12pt"> <ul class="txt12pt"> <li>For directions from the airports <b>Charles de Gaulle</b> (CDG) and <b>Orly</b>, please consult the <a href="https://web.archive.org/web/20200527212703/http://www.ratp.fr/en/ratp/r_61596/access-to-airports/" target="new" class="introGras">RATP website</a>.</li> </ul> </div> </div> <br> <br> <ul> <div id="accordion5"> <h3>Geographic coordinates (ITRF89)*</h3> <div> <ul class="txt12pt"> <li>In degrees : minutes</li> <ul class="txt12pt"> <li>48º 49.740' N, 2º 13.197' E</li> </ul> <br> <li>In decimal degrees</li> <ul class="txt12pt"> <li>48.82900 N, 2.21995 E</li> </ul> </ul> <br> <div class="txt11ptr"> *. <a href="https://web.archive.org/web/20200527212703/http://www.iers.org/MainDisp.csl?pid=42-17" target="new" class="intros">International Terrestrial Reference Frame 1989</a> </div> </div> </div> </ul> <script language="javascript"> // Script d'impression function printWin() { bV = parseInt(navigator.appVersion); if (bV >= 4) window.print(); } // Fonction de creation de la page function OpenMap() { parismap=open("blank.html", "map", "toolbar=1,menubar=1,width=1050,height=780,resizable=yes"); parismap.document.writeln("<html><head><link rel='stylesheet' href='/utils/typo.css' type='text/css'>"); parismap.document.writeln("<title>Access to the BIPM</title></head><body>"); //parismap.document.writeln("<table width=100%><tr><td align=left><a class=introGras href='javascript:print()'>Print this window</a></td> <td align=right><a class=introGras href=# onClick='javascript:window.close();'>Close this window</a></td></tr>"); parismap.document.writeln("<table width=100%><tr><td colspan=2><img 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src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10"></td> <td width="200" valign="top"> <div name="exalead-liens"> </div> </td> <td width="10"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img/pix.gif" width="10" height="25"></td> </tr> </table> </div>    <table width="100%" bgcolor="#D3B657"> <tr> <td width="15%"></td> <td width="1000"> <table width="1000" border="0" cellspacing="0" cellpadding="0"> <tr> <td nowrap width="100%"> <style media="all" type="text/css"></style> <div class="menu3"> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/worldwide-metrology/" target="_self">Metrology area:</a></li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/auv/" target="_self">AUV</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/auv/" target="_self">Metrology in the field of Acoustics, Ultrasound and Vibration</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccauv/" target="_self">Committee structure (CCAUV)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/auv/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/si-brochure/" target="_self">Units (SI Brochure)</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixB/KCDB_ApB_search_result.asp?search=1&met_idy=1&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=AUV" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/gpanfilo.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/electricity-magnetism/" target="_self">EM</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/electricity-magnetism/" target="_self">Metrology in the field of Electricity and Magnetism</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccem/" target="_self">Committee structure (CCEM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/electricity-magnetism/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/electricity-magnetism/units.html" target="_self">Units for electrical quantities</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search_result.asp?search=1&met_idy=3&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=EM" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/electricity/" target="_self">BIPM laboratory work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/comparisons/#PM" target="_self">Ongoing BIPM comparisons</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/calibrations/#electricity" target="_self">BIPM calibrations of electrical standards</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/electricity-magnetism/publications.html" target="_self">BIPM publications in the scientific literature</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/mstock.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/length/" target="_self">L</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/length/" target="_self">Length Metrology</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccl/" target="_self">Committee structure (CCL)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/length/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/length/units.html" target="_self">Unit of length (metre)</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search_result.asp?search=1&met_idy=5&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=L" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/mises-en-pratique/standard-frequencies.html" target="_self">Recommended values of standard frequencies</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/gpanfilo.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/mass/" target="_self">M</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/mass/" target="_self">Mass Metrology</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccm/" target="_self">Committee structure (CCM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/mass/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/mass/units.html" target="_self">Unit of mass (kilogram)</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search_result.asp?search=1&met_idy=6&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=M" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/mass/" target="_self">BIPM laboratory work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/mass/calibrations_mass/" target="_self">Calibration services</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/mass/publications.html" target="_self">BIPM publications in the scientific literature</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/mass/contact.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/photometry-radiometry/" target="_self">PR</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/photometry-radiometry/" target="_self">Metrology in the field of Photometry and Radiometry</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccpr/" target="_self">Committee structure (CCPR)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/utils/en/pdf/CCPR-strategy-document.pdf" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/photometry-radiometry/units.html" target="_self">Photometric units</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search_result.asp?search=1&met_idy=7&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=PR" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/photometry-radiometry/liaisons.html" target="_self">BIPM liaison and coordination work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/jviallon.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/chemistry-biology/" target="_self">QM</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/chemistry-biology/" target="_self">Metrology in the field of Chemistry and Biology</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccqm/" target="_self">Committee structure (CCQM)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/chemistry-biology/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/chemistry-biology/units.html" target="_self">Unit for amount of substance (mole)</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search_result.asp?search=1&met_idy=2&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=QM" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/chemistry/" target="_self">BIPM laboratory work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/comparisons/#QM" target="_self">Comparisons piloted by the BIPM</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/calibrations/#chemistry" target="_self">BIPM calibrations: National ozone standards</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/chemistry-biology/publications.html" target="_self">BIPM publications in the scientific literature</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/chemistry-biology/liaisons.html" target="_self">BIPM liaison and coordination work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/rwielgosz.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/ionizing-radiation/" target="_self">RI</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/ionizing-radiation/" target="_self">Metrology in the field of Ionizing Radiation</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccri/" target="_self">Committee structure (CCRI)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/ionizing-radiation/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/ionizing-radiation/units.html" target="_self">SI units</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixB/KCDB_ApB_search_result.asp?search=1&met_idy=4&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=RI" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/ionizing/radionuclides/sir/" target="_self">International Reference System (SIR)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/ionizing/" target="_self">BIPM laboratory work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/comparisons/#RI" target="_self">Ongoing BIPM comparisons</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/calibrations/#ionizing-radiation" target="_self">BIPM calibrations: Ionization chambers</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/ionizing-radiation/publications.html" target="_self">BIPM publications in the scientific literature</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/scientific-output/monographies-ri.html" target="_self"><i>Monographies</i> BIPM</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/ionizing-radiation/liaisons.html" target="_self">BIPM liaison and coordination work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/steven.judge.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/thermometry/" target="_self">T</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/thermometry/" target="_self">Metrology in Thermometry</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/cct/" target="_self">Committee structure (CCT)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/thermometry/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/thermometry/units.html" target="_self">SI base unit (kelvin)</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search_result.asp?search=1&met_idy=9&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=T" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/susanne.picard.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/metrology/time-frequency/" target="_self">TF</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/time-frequency/" target="_self">Time and Frequency Metrology</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/cctf/" target="_self">Committee structure (CCTF)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/time-frequency/#strategy" target="_self">Strategic plan</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/timescales/time-server.html" target="_self">What time is it?</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/timescales/" target="_self">Timescales</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/time-frequency/units.html" target="_self">Unit of time (second)</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/AppendixB/KCDB_ApB_search.asp?search=1&met_idy=8&bra_idy=0&cmt_idy=0&ett_idy_org=0&epo_idy=0&cou_cod=0" target="_kcdbB"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> International comparisons</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://kcdb.bipm.org/appendixC/search.asp?reset=1&met=TF" target="_kcdbC"><img src="/web/20200527212703im_/https://www.bipm.org/utils/common/img2/logo_kcdb_pt.gif"> Calibration and measurement capabilities (CMCs)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/mises-en-pratique/standard-frequencies.html" target="_self">Recommended values of standard frequencies</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/tai/" target="_self">BIPM technical work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/jsp/en/TimeCalibrations.jsp" target="_self">BIPM calibrations for time transfer</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/time-frequency/publications.html" target="_self">BIPM technical publications</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/tai/annual-report.html" target="_self">BIPM Annual Report on Time Activities</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm-services/timescales/time-ftp.html" target="_self">FTP server of the BIPM Time Department</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://webtai.bipm.org/database/html/" target="_self">Time Department Database</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/time-frequency/liaisons.html" target="_self">BIPM liaison and coordination work</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/patrizia.tavella.html" target="_self">BIPM contact</a></li> </ul> </li> <li><a id="" href="/web/20200527212703/https://www.bipm.org/en/measurement-units/" target="_self">U</a> <ul> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/" target="_self">Measurement units: the International System (SI)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/publications/si-brochure/" target="_self">SI Brochure</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/#si-base-units" target="_self">SI base units</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/measurement-units/#prefixes" target="_self">SI prefixes</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/committees/cc/ccu/" target="_self">Consultative Committee for Units (CCU)</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/metrology/units/liaisons.html" target="_self">BIPM liaison and coordination work</a></li> <li><a href="https://web.archive.org/web/20200527212703/http://physics.nist.gov/cuu/Constants/index.html" target="new">CODATA recommended values of the Fundamental Physical Constants</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/extra/codata-tgfc/" target="_self">CODATA Task Group on Fundamental Constants</a></li> <li><a href="/web/20200527212703/https://www.bipm.org/en/bipm/people/estefania.de.mirandes.html" target="_self">BIPM contact</a></li> </ul> </li> </ul> </div> </td> </tr> </table> </td> <td width="15%"></td> </tr> </table>   <table width="100%" bgcolor="#193B7F" alt="mid blue"><tr><td> <center> <table width="1000" bgcolor="#193B7F" border="0" cellspacing="0" cellpadding="0"> <tr 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