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.

2023 NIST Summary of U.S. Legal Metrology Activities



Lisa Warfield, Katrice Lippa, Jan Konijnenburg, Loren Minnich, Gloria Diane Lee, Juana Williams, John McGuire


The NIST Office of Weights and Measures (OWM) presents its second issue of the 2023 NIST Annual Summary of U.S. Legal Metrology Activities report. This report includes a summary of changes made to NIST Handbook 44 (2023) Specifications, Tolerances and Other Technical Requirements for Commercial Weighing and Measuring Devices, NIST Handbook 130 (2023) Uniform Laws and Regulations in the Areas of Legal Metrology, and Fuel Quality, and NIST Handbook 133 (2023) Checking the Net Contents of Packaged Goods. The summary will provide an archival record of proposals and associated actions with the goal of assisting the weights and measures community in consistently interpreting and implementing NIST Handbooks 44, and 130. Each item in this report includes a NIST OWM technical analysis, background information, and a summary of any actions taken on proposed changes to these NIST Handbooks considered in 2023.
Special Publication (NIST SP) - NIST SP 2200-04
Report Number
NIST SP 2200-04


area, automotive lubricants, devices, dry measures, electric vehicle fueling systems, fuels, grain analyzers, grain moisture meters, hydrogen gas-measuring devices, labeling, laws and regulations, legal metrology, length, liquid-measuring devices, LPG and anhydrous ammonia liquid-measuring, mass flow meters, measure-containers, measuring, measuring systems, meters, method of sale, multiple dimension measuring devices, NIST Handbook 44, NIST Handbook 130, NTEP, odometers, NIST OWM analysis, packaging, price verification, registration of servicepersons, scales, specifications and tolerances, taximeters, technical analysis, test methods, test procedures, thickness, timing devices, training, transportation network measuring systems, type evaluation, uniform laws, unit pricing, vehicle tanks, volume, weighing, weighing systems, weighmaster law, weight, weights and measures law.


Warfield, L. , Lippa, K. , Konijnenburg, J. , Minnich, L. , Lee, G. , Williams, J. and McGuire, J. (2023), 2023 NIST Summary of U.S. Legal Metrology Activities, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online],, (Accessed March 5, 2024)
Created November 20, 2023