Metric (SI) Program

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Units, commonly known as the metric system) as the preferred system of weights and measures for U.S. trade and commerce. It provides leadership and assistance on SI use and conversion to federal agencies, state and local governments, businesses, trade association, standards development organizations, educators, and the general public.</p> </div> </div> </div> </div> </div> </div> <div class="grid-container margin-top-4"> <div class="grid-row grid-gap-6"> <aside class="nist-page__region nist-page__region--sidebar-first tablet-lg:grid-col-4 desktop-lg:grid-col-3"> <div>  <div data-elastic-exclude="" class="nist-block" > <nav> <ul class="usa-sidenav usa-accordion "> <li class="usa-sidenav__item"> <a href="/pml" data-drupal-link-system-path="">Laboratory Homepage</a> </li> <li class="usa-sidenav__item"> <a href="/pml/owm" data-drupal-link-system-path="">Division Homepage</a> </li> <li class="usa-sidenav__item"> <a href="/pml/owm/about-us" data-drupal-link-system-path="">About Us</a> </li> <li class="usa-sidenav__item"> <a href="/pml/owm/faqs" data-drupal-link-system-path="">FAQs</a> </li> <li 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data-drupal-link-system-path="">U.S. W&M and Metrologist Directory</a> </li> <li class="usa-sidenav__item"> <a href="https://www.ncwm.com/" data-drupal-link-system-path="">National Council on Weights and Measures (NCWM)</a> </li> <li class="usa-sidenav__item"> <a href="https://www.ncwm.com/ntep-about" data-drupal-link-system-path="">National Type Evaluation Program (NTEP)</a> </li> <li class="usa-sidenav__item"> <a href="https://www.oiml.org/en" data-drupal-link-system-path="">International Organization of Legal Metrology (OIML)</a> </li> </ul> </li> </ul> </nav> </div>  </div> </aside> <div class="nist-page__region nist-page__region--content tablet-lg:grid-col-8 desktop-lg:grid-col-9" > <div class="nist-block" > <div class="nist-content-row nist-content-row--width-legible paragraph paragraph--type--text paragraph--view-mode--default"> <div class="nist-block text-long"> <figure class=" align-center nist-image" role="group"> <div> <img alt="Collage of photos, baby with thermometer, orange juice in bottles, hand holding a pen against a board and measuring tape, boat with crates on it" height="400" loading="lazy" src="/sites/default/files/images/2023/06/30/Metric%20Program%20Banner.png" typeof="foaf:Image" width="1400"> </div> <figcaption class="nist-image__caption"></figcaption> </figure> <div class="nist-callout"> <p>As of August 16, 2023 the physics.nist.gov historic SI Units site has permanently retired. This page and complete Metric (SI) Program contains current SI information. Contact <span class="spamspan"><span class="u">TheSI</span> [at] <span class="d">nist.gov</span><span class="t"> (TheSI[at]nist[dot]gov)</span></span> with comments, questions or concerns.</p> </div> <h2>The Metric Program is focused on increasing the International System of Units (SI) use in:</h2> <h3><a href="https://www.nist.gov/pml/wmd/metric/trade-comm">Trade and Commerce</a></h3> <p>Because of the importance of the International System of Units (SI), commonly known as the metric system) as an international standard, its use in product design, manufacturing, marketing, and labeling is essential for U.S. industry's success in the global marketplace. The NIST Metric Program encourages the use of the SI in all facets of <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="e13f21a5-6a4e-4e81-ad91-f55af089a731" href="/pml/owm/metric-si/si-education-training" title="SI Education and Training">education</a>, including honing of worker skills. Resources include:</p> <ul> <li><strong><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="fd133a8e-951b-49fa-b8a8-22d93ab47759" href="/pml/owm/metric-si/si-units" title="SI Units">SI Basics</a></strong> - Explore elements of the SI, including the <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="35e42963-b84e-4590-adcf-1caa1a6bdd5b" href="/pml/fundamental-physical-constants" title="SI Fundamental Physical Constants">defining constants</a>, base units, <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="4671ba0c-4768-4f72-a55b-078dd62c46dd" href="/pml/owm/metric-si-prefixes" title="SI Prefixes">prefixes</a>, and useful definitions.</li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="577d29a0-243b-4f49-a014-5a317581375a" href="/pml/owm/metric-program-training" title="Metric Program Training">Professional development training</a> and <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="9ceb0f3a-4439-48a3-afa8-917ca29e7a9b" href="/pml/owm/metric-occupational-training-workbooks" title="Metric Occupational Training Workbooks">occupational resources</a> will help expand SI subject-matter knowledge and skills. <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="f28337b2-3c56-4bce-990f-ba4e856170c5" href="/pml/owm/owm-training-and-events" title="Training Opportunities">Opportunities</a> are available through out the year. Ideal for pre-service teachers, in-service teachers, and other professionals.</li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="5cc2c990-4058-4fde-8419-be492029a0e2" href="/pml/owm/metric-si/us-metrication" title="US Metrication">U.S. Metrication</a> resources support the voluntary shift from the us of customary measurement units to the SI.</li> <li> <figure class=" align-right nist-image" role="group"> <div> <img alt="Juice cartons showing different labeling formats" height="97" loading="lazy" src="/sites/default/files/styles/220_x_220_limit/public/images/2021/04/26/Juice%20Cartons.jpg?itok=S2Q7ftm8" typeof="foaf:Image" width="120"> </div> <figcaption class="nist-image__caption"><div class="nist-image__credit"> <span class="nist-image__credit-label">Credit:</span> NIST Juice cartons showing different labeling formats </div></figcaption> </figure> <strong>PROJECT: Expand Labeling Options to Benefit U.S. Exports - A Proposal to Amend the Federal Fair Packaging and Labeling Act (FPLA).</strong> To facilitate the expansion of U.S. manufacturer exports, NIST recommends updating the FPLA to create a new <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="5f94f344-73f0-4c2c-878d-b8666494e00f" href="/pml/owm/packaging-and-labeling" title="Packaging and Labeling">package labeling</a> option to provide U.S. manufacturers increased flexibility when labeling packaged products. The FPLA requires packaged goods to bear essential information that informs consumers about the product, including how much commodity is contained within the package. U.S. manufacturers are limited to a "dual unit" format, prohibited by Federal law from declaring the net quantity using only the "metric" option, while foreign competitors have the advantage of using a simpler format. This proposal has been developed in response to U.S. manufacturer and consumer requests.</li> </ul> <h3><a href="https://www.nist.gov/pml/wmd/metric/metric-policy">All Levels of Government</a></h3> <p>The Metric Program coordinates metric transition activities under the Metric Conversion Act, including transition of all federal agencies (Executive Order 12770). U.S. <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="09966b4f-f584-4852-b055-b4e8ed373f7a" href="/pml/owm/metric-si/metric-policy" title="Metric Policy">metric legislation and policy</a> authorizes Secretary of Commerce to direct and coordinate the federal agency metric transition and to assess progress. Federal agencies implement formal policy and plans for using the SI (metric system) and report transition progress. The use of the SI in federal agency programs relating to trade, industry, and commerce is intended to support industry's voluntary adoption of the SI.</p> <ul> <li> <figure class=" align-right nist-image--lightbox nist-image" role="group"> <div data-lightbox="https://www.nist.gov/sites/default/files/styles/2800_x_2800_limit/public/images/2023/01/04/us-survey-foot-obsolete.png?itok=dj4HbnqI" data-media-id="660901"> <img alt="U.S. Survey Foot is obsolete" height="220" loading="lazy" src="/sites/default/files/styles/220_x_220_limit/public/images/2023/01/04/us-survey-foot-obsolete.png?itok=pyVHqUZy" typeof="foaf:Image" width="220"> </div> <figcaption class="nist-image__caption">The U.S. survey foot is obsolete.<div class="nist-image__credit"> <span class="nist-image__credit-label">Credit:</span> NIST </div></figcaption> </figure> <strong>PROJECT:</strong> <strong>U.S. Survey Foot Retirement.</strong> On <strong>January 1, 2023</strong> the <a href="https://www.nist.gov/pml/us-surveyfoot">U.S. survey foot</a> was deemed obsolete and the international foot definition officially superseded the U.S. survey foot. This <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="f104680b-0aa6-412f-926d-bdab9bcb1874" href="/news-events/news/2023/01/new-years-eve-2023-marked-retirement-us-survey-foot" title="New Years Eve 2023 Marked Retirement of U.S. Survey Foot">retirement</a> was planned by the National Oceanic and Atmospheric Administration (NOAA) and NIST for several years to provide national uniformity in the measurement of length and to move towards more precise positioning in surveying, mapping, and engineering. NOAA National Geodetic Survey (NGS) has long used the meter as its official unit of measurement and this will not change. Currently, the international foot is based on the meter and all U.S. customary units are based on the International System of Units (SI).</li> </ul> <h3><a href="https://www.nist.gov/pml/wmd/metric/everyday">Everyday Life within the United States</a></h3> <p>Progress toward greater use of the SI (metric system) continues in the United States. Many are not aware that "below the surface" the SI is the foundation for all measurements or of the extent the SI is used by industry to manufacture and supply the goods and services consumers use <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="9f8f23b3-9198-4528-a744-655e719ab048" href="/pml/owm/metric-si/everyday-metric" title="Every day">every day</a>. While it's true that metric use is is mandatory in some countries and voluntary in others, all countries have recognized and adopted the SI, including the United States. <a href="https://www.nist.gov/blogs/taking-measure/busting-myths-about-metric-system" title="Busting Myths about the Metric System">Busting Myths about the Metric System</a> explores several common misconceptions about <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="5cc2c990-4058-4fde-8419-be492029a0e2" href="/pml/owm/metric-si/us-metrication" title="U.S. Metrication">U.S. metrication</a>.</p> <ul> <li> <figure class=" align-right nist-image--lightbox nist-image" role="group"> <div data-lightbox="https://www.nist.gov/sites/default/files/styles/2800_x_2800_limit/public/images/2023/08/30/Guides%20to%20the%20SI.png?itok=ybEg6L3q" data-media-id="685406"> <img alt="guide to the SI covers" height="196" loading="lazy" src="/sites/default/files/styles/220_x_220_limit/public/images/2023/08/30/Guides%20to%20the%20SI.png?itok=DT8SZwhU" typeof="foaf:Image" width="220"> </div> <figcaption class="nist-image__caption">Guides to the SI</figcaption> </figure> Technical guides and information are available to assist in the use and application of the SI in a broad spectrum of technical activities.<br> The <a href="https://www.bipm.org/en/publications/si-brochure" title="BIPM SI Brochure">BIPM SI Brochure</a>, NIST <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="4f428106-bf35-4a7c-bc94-70017823b410" href="/pml/special-publication-330" title="Special Publication 330">Special Publication (SP) 330</a>, NIST <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="33bb8bd3-1bd3-4c18-bc90-a0b8fa515389" href="/pml/special-publication-811" title="Special Publication 811">Special Publication (SP) 811</a> are available to help with proper SI usage, the basic principles concerning quantities and units, <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="8aff76e7-9132-4074-a5ef-cbdaf07c9c6c" href="/pml/owm/writing-si-metric-system-units" title="writing with SI Units">writing with SI units</a>, and help review the conformity of manuscript and other documents.<br> Explore additional information on <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="fd133a8e-951b-49fa-b8a8-22d93ab47759" href="/pml/owm/metric-si/si-units" title="SI Units">SI Units</a>, including the seven (7) <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="1de85004-a27c-454f-b7e3-e753e1f798d4" href="/si-redefinition/meet-constants" title="Meet the Constants">defining constants</a>, seven (7) base units, and more!</li> <li>Learn more about <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="9f8f23b3-9198-4528-a744-655e719ab048" href="/pml/owm/metric-si/everyday-metric" title="Every day use">every day use</a> of metric measurements.</li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="d5664148-a600-40f7-9177-4bc8122a63e9" href="/pml/owm/becoming-familiar-si" title="Become familiar with the SI">Become familiar with the SI</a>, which is easy to learn and use. Develop a few reference points to build an innate understanding of "how much."</li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="d6cbadf5-1189-42e9-9f84-59729483414f" href="/pml/owm/metric-si/everyday-estimation" title="Everyday Estimation">Everyday estimation</a> is more than taking a guess! The ability to interpret measurement scale and approximate at quantity helps interpret the world around us.</li> <li> <figure class=" align-right nist-image--lightbox nist-image" role="group"> <div data-lightbox="https://www.nist.gov/sites/default/files/styles/2800_x_2800_limit/public/images/2023/03/31/blue-metric-kitchen.png?itok=F-Slik5X" data-media-id="669271"> <img alt="NIST metric kitchen" height="183" loading="lazy" src="/sites/default/files/styles/220_x_220_limit/public/images/2023/03/31/blue-metric-kitchen.png?itok=sn-smaio" typeof="foaf:Image" width="182"> </div> <figcaption class="nist-image__caption"><div class="nist-image__credit"> <span class="nist-image__credit-label">Credit:</span> NIST </div></figcaption> </figure> <strong>PROJECT: NIST Metric Kitchen.</strong> Select and enjoy preparing a NIST metric recipe! <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="a95984f4-2f3e-4fc6-9d26-b82c82ce32e1" href="/pml/owm/metric-si/metric-kitchen" title="Cooking and Baking">Cooking and baking</a> are ideal for becoming familiar with the metric system, teaching Science, Technology, Engineering, and Math (STEM), as well as measurement sense making. A <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="9046314b-1dd5-4b25-8a75-055c19d81b10" href="/pml/owm/recipe-gallery" title="Recipe Gallery">recipe gallery</a>, <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="b19a2882-70b8-4425-8b05-941f81ca74aa" href="/pml/owm/culinary-measurement-tips" title="Culinary Measurement Tips">culinary measurement tips</a>, <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="45ef380a-a7da-4874-8ae3-caf29a276062" href="/pml/owm/cookware-and-tools" title="Cookware and Tools">cookware and tools</a>, and <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="cbd65842-8f13-47af-86ac-9a5d997560e5" href="/pml/owm/culinary-temperature" title="Temperature">temperature</a> guidance has been developed to assist in building experience using a kitchen scale to measure ingredients in grams and K-12 educators that teach cooking techniques and related life skills topics in the classroom.</li> <li><strong>PROJECT: National Metric Week.</strong> Communities across the country observe <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="6c4767a8-0b27-443a-8f46-c8148f226674" href="/pml/owm/metric-si/metric-week-activities-join-celebration" title="Metric Week">Metric Week</a>, an educational holiday that raises awareness about the metric system and the benefits of use in every day life. Accept this invitation to celebrate the 7 SI base units with 7 days of measurement fun during the week containing the tenth day of the tenth month (10/10).</li> </ul> <h3>Resources</h3> <ul> <li><a href="https://www.nist.gov/pml/owm/metric-si/us-metrication" title="U.S. Metrication">U.S. Metrication</a></li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="f678040b-4a6b-4996-92c0-28caaa22aeb0" href="/pml/owm/metric-si/us-metrication-frequently-asked-questions-faqs" title="U.S. Metrication Frequently Asked Questions FAQs">U.S. Metrication FAQs</a></li> <li><a href="https://www.nist.gov/pml/owm/metric-program-training" title="Metric Program Training">Metric Program Training</a></li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="6c4767a8-0b27-443a-8f46-c8148f226674" href="/pml/owm/metric-si/metric-week-activities-join-celebration" title="Metric Week Activities – Join the Celebration!">National Metric Week</a></li> <li><a href="https://www.nist.gov/pml/owm/metric-si/si-units" title="SI Units">SI Unit Basics</a></li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="35e42963-b84e-4590-adcf-1caa1a6bdd5b" href="/pml/fundamental-physical-constants" title="NIST Fundamental Physical Constants">Fundamental Physical Constants</a></li> <li><a href="http://www.bipm.org/en/about-us/">Bureau International des Poids et Mesures (BIPM) </a></li> <li><a href="http://www.ncwm.net/">National Conference on Weights and Measures (NCWM)</a></li> <li><a href="https://usma.org/">U.S. Metric Association (USMA)</a></li> </ul></div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block " > <h2 class="nist-block__title" > <div class="string">Events</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-11c74f519caadb1ffe1b261b590cf39245488aa78b69ef68dfd6460c329bab39"> <div> <article about="/news-events/events/2025/01/89-fundamentals-metrology" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/events/2025/01/89-fundamentals-metrology" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/06/05/Metrology%20word%20cloud.jpeg?itok=ljhHruee" width="100" height="74" alt="Metrology word cloud" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/events/2025/01/89-fundamentals-metrology"><span>89 Fundamentals of Metrology</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Mon, Jan 27 - Fri, Jan 31 2025</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> Course Description The 5-day Fundamentals of Metrology seminar is an intensive course that introduces participants to </div> </div> </div> </article> </div> <div> <article about="/news-events/events/2025/02/88-volume-metrology-seminar" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/events/2025/02/88-volume-metrology-seminar" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/06/05/Metrology%20word%20cloud.jpeg?itok=ljhHruee" width="100" height="74" alt="Metrology word cloud" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/events/2025/02/88-volume-metrology-seminar"><span>88 Volume Metrology Seminar</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Mon, Feb 3 - Fri, Feb 7 2025</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> Course Description The 5-day OWM Volume Metrology Seminar is designed to enable metrologists to apply fundamental </div> </div> </div> </article> </div> <div> <article about="/news-events/events/2025/02/87-conducting-effective-management-review" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/events/2025/02/87-conducting-effective-management-review" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/05/30/AdobeStock_313037967-webinar%20image%20with%20hands%20over%20laptop.jpeg?itok=POQyPz7n" width="100" height="66" alt="Webinar image with hands over laptop in background" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/events/2025/02/87-conducting-effective-management-review"><span>87 Conducting an Effective Management Review</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Thu, Feb 13 2025, 2:00 - 4:00pm EST</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> This 2-hour webinar introduces the Laboratory Management Review process, an important tool to foster communication </div> </div> </div> </article> </div> <div> <article about="/news-events/events/2025/02/86-metric-system-education-resources" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/news-events/events/2025/02/86-metric-system-education-resources" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2022/03/21/SI%20Wheel.png?itok=21xjKLP3" width="100" height="100" alt="Color image of SI wheel" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/news-events/events/2025/02/86-metric-system-education-resources"><span>86 Metric System Education Resources</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Thu, Feb 13 2025, 5:00 - 6:30pm EST</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The International System of Units (SI), commonly known as the metric system, is easy to use and learn when taught using </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/news-events/upcoming-events/org/6436">View All Events</a></div> </footer> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block " > <h2 class="nist-block__title" > <div class="string">Awards</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-f31d2bc6791a9fd6d67fecf81853865b2ea65434269f5484cd4da8cf30c89036"> <div> <article about="/awards/2024-national-conference-weights-and-measures-ncwm-lifetime-achievement-award-tina-butcher" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/2024-national-conference-weights-and-measures-ncwm-lifetime-achievement-award-tina-butcher" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/08/01/20240625-105-Edit-Closeup-Tina%20Butcher.jpg?itok=-i2ZbBQX" width="67" height="100" alt="Tina Butcher" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/2024-national-conference-weights-and-measures-ncwm-lifetime-achievement-award-tina-butcher"><span>2024 National Conference on Weights and Measures (NCWM) Lifetime Achievement Award - Tina Butcher</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> The officers and members of the National Conference on Weights and Measures (NCWM) hereby express our greatest respect and appreciation to </div> </div> </div> </article> </div> <div> <article about="/nist-awards/2023-b-stephen-carpenter-award-ralph-richter" class="nist-teaser" > <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/nist-awards/2023-b-stephen-carpenter-award-ralph-richter"><span>2023 - B. Stephen Carpenter Award---Ralph Richter</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="string-long">For leadership in international legal metrology standards to ensure a fair and equitable marketplace for global industrial commodities.</div> </div> </div> </article> </div> <div> <article about="/awards/2023-ncwm-outstanding-contributions-award-david-sefcik" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/2023-ncwm-outstanding-contributions-award-david-sefcik" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/08/17/David-NCWM_0.png?itok=qWNMkRqz" width="100" height="77" alt="David Sefcik (center) accepting his award from NCWM Chair-elect Gene Robertson (at the podium), NCWM Chair Mahesh Albuquerque (left) and NIST Director Laurie Locascio (right)." typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/2023-ncwm-outstanding-contributions-award-david-sefcik"><span>2023 NCWM Outstanding Contributions Award - David Sefcik</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> David Sefcik of the NIST OWM received the 2023 NCWM Outstanding Contributions Award for his service as a co-organizer of the 2022 NCWM-NIST </div> </div> </div> </article> </div> <div> <article about="/awards/2023-best-review-award-published-2022-clay-davis-goncalo-gouveia-christina-jones-katrice" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/awards/2023-best-review-award-published-2022-clay-davis-goncalo-gouveia-christina-jones-katrice" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/06/24/Metabolomics%20Cover%20Artwork.JPG?itok=gBfC_CUQ" width="100" height="100" alt="Word collage (reference materials, QC tools, repeatability, compatibility, reproducibility, etc. over top of small jar" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/awards/2023-best-review-award-published-2022-clay-davis-goncalo-gouveia-christina-jones-katrice"><span>2023 - Best Review Award Published in 2022---Clay Davis, Goncalo Gouveia, Christina Jones, Katrice Lippa, and Tracey Schock</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> " Reference Materials for MS-based Untargeted Metabolomics and Lipidomics: A Review by the Metabolomics Quality Assurance and Quality </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/awards/org/6436">View All Awards</a></div> </footer> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block " > <h2 class="nist-block__title" > <div class="string">Press Coverage</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-c4c9e7ab786e274b67ebfbb419e75c5a43d657a1c82a608d0d379f4e3e2c412e"> <div> <article about="/press-coverage/how-fight-shrinkflation-pay-attention-unit-prices-grocery-stores" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/press-coverage/how-fight-shrinkflation-pay-attention-unit-prices-grocery-stores" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/03/08/Shrinkflation-New%20package%20fewer%20tea%20bags.jpeg?itok=n1tsKuvz" width="100" height="60" alt="Shrinkflation-new package fewer tea bags" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/press-coverage/how-fight-shrinkflation-pay-attention-unit-prices-grocery-stores"><span>How to fight shrinkflation? Pay attention to unit prices at grocery stores</span> </a></h3> <div class="nist-teaser__type"> <div class="string">NPR</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2024-07-09T12:00:00Z">July 9, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> In a recent episode of Planet Money, we dove into the wild world of package sizes. Tiny Coke cans. Family-size cereal. Travel-size deodorant. Jumbo-size peanut </div> </div> </div> </article> </div> <div> <article about="/press-coverage/why-does-us-use-fahrenheit-instead-celsius" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/press-coverage/why-does-us-use-fahrenheit-instead-celsius" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/08/25/NBC-Temperature%20Interview-2023-08.PNG?itok=YujBsXUk" width="100" height="56" alt="Fahrenheit and Celsius temperature scales on historic thermometers are compared in terms of boiling and freezing point of water" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/press-coverage/why-does-us-use-fahrenheit-instead-celsius"><span>Why Does the U.S. use Fahrenheit instead of Celsius?</span> </a></h3> <div class="nist-teaser__type"> <div class="string">NBC New York</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2023-08-14T12:00:00Z">August 14, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> NBC's Miguel Estrada discusses United States temperature scale use with Elizabeth Benham, Metric Program Leader, and Don Hillger, US Metric Association </div> </div> </div> </article> </div> <div> <article about="/press-coverage/deprecation-us-survey-foot" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/press-coverage/deprecation-us-survey-foot" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/01/04/us-survey-foot-obsolete.png?itok=cuShJoNn" width="100" height="100" alt="U.S. Survey Foot is obsolete" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/press-coverage/deprecation-us-survey-foot"><span>The Deprecation of the US Survey Foot</span> </a></h3> <div class="nist-teaser__type"> <div class="string">The American Surveyor</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2023-02-09T12:00:00Z">February 9, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> Some of you know about the deprecation of the U.S. survey foot already, and some may be asking “What the heck is deprecation?” So let’s start with a definition: </div> </div> </div> </article> </div> <div> <article about="/press-coverage/wait-us-had-two-different-measurements-feet" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/press-coverage/wait-us-had-two-different-measurements-feet" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2019/09/23/noaa-employees_geodetic_surveying_project-co-2017.jpg?itok=3LcuacQd" width="100" height="75" alt="geodetic surveying project" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/press-coverage/wait-us-had-two-different-measurements-feet"><span>WAIT, THE US HAD TWO DIFFERENT MEASUREMENTS FOR FEET?</span> </a></h3> <div class="nist-teaser__type"> <div class="string">The River 97.9FM</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2023-01-24T12:00:00Z">January 24, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> You learn the strangest things working in radio. 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