U.S. flag

An official website of the United States government

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.

Office of the Director /Chief of Staff

Public Affairs Office

PAO provides communications support to help NIST share its research results, services, and programs; to assist policymakers in learning about NIST's role and activities; and to advise and assist NIST managers on public affairs and policy strategies.

Cluttered image with keyboard, sensor, kibble balance, weight, etc.
Why You Need Standards
Illustration shows a tape measure stretched out with a laser beam across it and says "HDYMI? Tape Measure."
How Do You Measure It?
Orange glowing microbes in a landfill
Finding PFAS Wherever They’re Hiding

Learn about what NIST is doing for the Champlain Towers South Collapse in Surfside, Florida.

News and Updates

hand holding a cellphone showing four different apps

Legal Metrology Meets the Digital Age

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
2025 C-RMAP attendees

C-RMAP 2025: “That’s A Wrap!”

In early June, over 115 metrologists from state, county, and federal government laboratories gathered with manufacturing and industry laboratory metrologists in
OWM Info Hours Announcement Banner

OWM Info Hours Update

OWM continues to host a series of Information Hours, or "Info Hours," to feature current weights and measures, laboratory metrology, or documentary standard
electric car at charging station

EVSE Metrology Trainings are a Go!

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

Featured Videos

Meet NIST: Advancing The Science Behind The Science

Meet NIST: Advancing The Science Behind The Science

Why Do We Use Atoms To Keep Time?

Why Do We Use Atoms To Keep Time?

The Journey Toward Quantum Resistant Algorithms: NIST's Initiative

The Journey Toward Quantum Resistant Algorithms: NIST's Initiative

View All Videos

Taking Measure blog

Contacts

Was this page helpful?