An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The Office of Weights and Measures (OWM) Contacts System customer portal is open for business. NIST OWM officially launched the new online portal for the OWM...
During the summer of 2024, the NIST Physical Measurement Laboratory’s ( PML) Office of Weights and Measures ( OWM) hosted two undergraduate students through the...
This year, NIST OWM launched a new series of Information Hours, aka “Info Hours,” as an informal forum for our customers and stakeholders to engage in...
DYK: The Office of Weights and Measures (OWM) is the oldest office at NIST? NIST OWM’s principal mandate to “ fix the standard of weights and measures” is...
OWM is pleased to announce the latest inspection and test procedures for two alternative vehicle fueling applications: Electrical Energy (EVSE for Vehicle...
The National Council on Weights and Measures (NCWM) recently completed the 2024 National Price Verification Survey together with support from NIST OWM and...
Several of the NIST OWM staff teamed up with Ted Bohn of Argonne National Laboratory (ANL) to deliver a one-day hybrid workshop and training event on electric...
NIST OWM was delighted to provide a 2-day price verification training event based on the NIST Handbook 130 Examination Procedure for Price Verification for the...
It is now common knowledge that the U.S. is one of a handful of countries that still use non-SI measurements in our daily lives and in many commercial...
OWM Recorded Webinars and Training Videos OWM develops and delivers a series of recorded webinars and training videos covering a wide range of legal metrology...
NIST OWM is striving to assist the weights and measures community meet the new technical challenges and demands of America’s continued transition to E-mobility...
OWM staff have consistently published newsletter articles over the years to keep our customers and stakeholders informed on current weights and measures issues...
For several years, there has been an increase in the use of Class II scales in commercial applications. Previously relegated to pharmacies, jewelry stores, and...
NIST has delivered a portable and highly accurate instrument for measuring mass to the U.S. Army, marking the first time in the U.S. that this technology is...
Microcombs – chip-scale devices that generate and measure frequencies of light with exquisite accuracy – have transformed timekeeping and boosted optical...
The theme for the 2024 World Metrology Day (on May 20) is "Sustainability," which raises awareness of the need for accurate measurements in the development of a...
The awards will fund research and development of new products relating to cybersecurity, quantum computing, health care, semiconductor manufacturing and other...
CHIPS Metrology Program The CHIPS Metrology Program leverages NIST’s proven measurement science expertise to conduct research on measurements that are accurate...
Beers managed NIST’s Circular Economy Program, which supports the nation’s transition to an economy in which materials retain their value through repeated...
Before Brexit when the United Kingdom (UK) was still part of the European Union (EU), products placed on the UK market were required to comply with the EU...
For several years, a team of researchers from the National Institute of Standards and Technology (NIST) has been building a robotically operated moonlight...
For NIST physicist Julia Scherschligt, the most exciting thing about quantum is seeing the real-world applications of this science. Julia leads a group that is...