Skip to main content
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.

OWM Programs and Core Areas

NIST OWM is organized and operates within four (4) main groups/programs:

In practice, OWM works with our customers and stakeholders to design, develop, promote, and deliver: technical specifications and tolerances for weighing and measuring devices; uniform laws and regulations, methods of sale, and test procedures for a wide variety of commodities; training for laboratory metrologists and weights and measures officials; uniformity and harmonization of legal metrology principles (national and international); and usage of the International System of Units (SI or metric system).


Created July 8, 2016, Updated June 6, 2023