News and Updates

Displaying 1 - 25 of 89

Announcing the 2026 OWM “Info Hours” Series

March 6, 2026

The NIST Office of Weights and Measures is pleased to announce the schedule for the 2026 OWM Info Hours series. An Info Hour is a one-hour session that features...

Where Design Meets Science: My NIST PREP Internship

March 5, 2026

My name is Yoon Thwel, and I am a Communication and Graphic Design student at Montgomery College, Rockville, Maryland. In spring 2025, I had an amazing...

NIST unit conversion card ruler measures an autumn oak leaf

Classroom-Ready: NIST Releases Updated Metric Ruler and Conversion Card

July 7, 2025

The NIST Metric Program provides a wide range of educational materials to help students learn to apply the International System of Units (SI), commonly known as...

Advanced Mass Metrology alumni (Class of 2023)

Advanced Mass Metrology Training with Guidance on the Kilogram Consensus Value

July 7, 2025

NIST OWM will welcome a full class of students to its Advanced Mass Metrology course at NIST’s Gaithersburg, Maryland campus at the end of this July. This nine...

EVSE Metrology Trainings are a Go!

July 7, 2025

OWM is ramping up a new series of metrology training for the testing and verification of electric vehicle supply equipment (EVSE). This August, in conjunction...

OWM Info Hours Update (2025)

July 7, 2025

OWM continues to host a series of Information Hours, or "Info Hours," to feature current weights and measures, laboratory metrology, or documentary standard...

C-RMAP 2025: “That’s A Wrap!”

July 7, 2025

In early June, over 115 metrologists from state, county, and federal government laboratories gathered with manufacturing and industry laboratory metrologists in...

hand holding a cellphone showing four different apps

Legal Metrology Meets the Digital Age

July 7, 2025

The days when a telephone was just a device to make phone calls are long gone. Nowadays, almost everybody has a smartphone with the capability to use it as a...

NIST’s Kibble balance: A Mass revolution

June 2, 2025

NIST engineer Leon Chao never dreamed his childhood fascination with LEGOs would fit together with his professional life. But a working LEGO model he and his...

BIPM 150th Anniversary Standout Poster

May 23, 2025

World Metrology Day (20 May 2025) marked the sesquicentennial, or 150th anniversary, of the Meter Convention. NIST and the Office of Weights and Measures (OWM)...

Deception, Trickery, and Metrology

April 30, 2025

While exploring a box of early 20th century index cards in the NIST archives, I stumbled upon two that starkly illustrated one of NIST's missions – legal...

OWM Welcomes Undergraduate Researchers

March 27, 2025

The Office of Weights and Measures (OWM) welcomes Yoon Thwel, a spring Professional Research Experience Program (PREP) intern and Matthew Kenzinger, a visiting...

Legal Metrology: Maintaining Our Trust in Measurements

January 8, 2025

Without realizing it, metrology and its associated standards and services play a big role in our daily lives. We buy groceries that are weighed or measured...

OWM Completes Pilot Test of a “Blended” Course on Retail Motor-Fuel Dispensers

January 7, 2025

In October 2024, NIST OWM completed a pilot test of a “blended” course on Retail Motor-Fuel Dispensers (RMFDs) thanks in large part, to Paul Floyd, Director of...

A New ASTM E617 Standard and What It Means for NIST Handbook 105-1

January 7, 2025

One of OWM's main responsibilities is to harmonize international and national documentary standards with those used by the U.S. weights and measures community...

NVLAP NIST Handbook 150-2 New Release

January 7, 2025

In October 2024, the National Voluntary Laboratory Accreditation Program (NVLAP) released a revised version of NIST Handbook 150-2 , which represents the...

Map of RMAP regions without state listing

Coming in June 2025: Combined RMAP Training Event in Portland, Oregon

January 7, 2025

Every five years, NIST OWM gears up to host a Combined Regional Measurement Assurance Program (C-RMAP) training event with a state host with all six RMAP...

NIST OWM and KEBS: Building Metrology Capacity for the RMOs

January 7, 2025

NIST Office of Weights and Measures (OWM) and the Kenya Bureau of Standards (KEBS) are currently conducting an interlaboratory mass comparison as part of a...

Consumer examining bottle labels in grocery store

Best Practices for Uniform Unit Pricing: An Update to NIST SP 1181 and NIST Handbook 130 Regulations

December 13, 2024

To help shoppers everywhere get the best value for their money, the NIST Office of Weights and Measures (OWM) convened a unit price working group comprised of...

A Better Balance for Tiny Liquid Masses

November 5, 2024

Scientists from the National Institute of Standards and Technology (NIST) are developing a mass balance to measure miniscule amounts of liquid with much higher...

New NIST OWM Contacts System is Open for Business

October 2, 2024

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...

Metric Week 2024: Measure Up with Metric Education

October 2, 2024

National Metric Week ( October 6 to 12, 2024) is an opportunity to draw attention to the educational and economic benefits of metric system measurements...

Info Hours Presented by NIST OWM: 2024 Series Successfully Completed!

October 1, 2024

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...

Shelf Labels for Instant Noodles - Price Verification

2024 NCWM National Price Verification Survey

October 1, 2024

The National Council on Weights and Measures (NCWM) recently completed the 2024 National Price Verification Survey together with support from NIST OWM and...

Dinelka Jagada tallies team scores during NIST Metric Est Game.

2024 NIST Internship Reflections

October 1, 2024

During the summer of 2024, the NIST Physical Measurement Laboratory’s ( PML) Office of Weights and Measures ( OWM) hosted two undergraduate students through the...

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