Links to (non-USMA) metric system information, standards, guides, and policies

The links on this page lead to information sources that are not maintained by USMA. Although USMA believes the metric information provided by these sources is of value, USMA is not responsible for the content of these Websites. Be aware that as Website addresses change the links below may fail to work. Please contact the USMA Webmaster if you encounter any broken links.

METRIC SYSTEM links:

US Federal Government:
- National Institute for Standards and Technology (NIST) / Department of Commerce (DoC):
  - NIST: Metric Program office
  - NIST: Physics Laboratory Reference on Constants, Units, and Uncertainty (Contains unit conversion tables)
  - NIST: Weights and Measures museum tour
  - NIST: Education resources on the metric system
  - NIST: Metric policy resources (for federal agencies’ metric transition)
- Federal Highway Administration (FHWA): Construction Program Guide: Metrication
- General Services Administration (GSA):
  - GSA: Metric Standards
  - GSA: Metric Design Guide (PBS PQ260 in PDF)
- National Oceanic and Atmospheric Administration (NOAA): METAR/TAF information (reports use degree Celsius temperatures)
- Occupational Safety and Health Administration (OSHA): Metric Program
- Fish and Wildlife Service (FWS:) Metric Transition Program
- Nuclear Regulatory Commission (NRC): Final Policy Statement – Conversion To The Metric System (PDF)
- Central Intelligence Agency (CIA): The World Factbook metric policy: go to the Factbook’s FAQs, click “Policies and Procedures,” and look for the question, “Why is most of the statistical information in the Factbook given in metric units…?”
Educational Organizations and Institutions:
- National Science Teachers Association (NSTA): Position Statement: Use of the Metric System (February 2016)
- National Council of Teachers of Mathematics (NCTM): Position Statement (July 2015)
- Center for Mathematics and Science Education: A Dictionary of Units of Measurement
Other Professional Organizations:
- American Association for the Advancement of Science (AAAS):
  - AAAS: Use of the Metric System in Scientific Publications
  - AAAS: Reaffirmation of Desirability of the Metric System for the United States
- National Institute of Building Sciences (NIBS): Construction Metrication
- American Public Works Association (APWA): Metrication Policy
- International Astronomical Union (IAU): SI Units
- American National Standards Institute (ANSI): Essential Requirements (PDF; see Section 3.4, Metric Policy, on page 12).
- Institute of Electrical and Electronics Engineers (IEEE):
  - IEEE: IEEE-SA SASB Implementation Plan for Policy 9.16 (see previous link)
  - IEEE: Standards Association, Metric Practice Working Group
- ASTM International: Using SI in ASTM Standards: A Guide to Form and Style for ASTM Standards, Part H. To read the full text of Part H, mentioned in that essay, see Form and Style for ASTM Standards (PDF; Part H, Use of SI Units in ASTM Standards, is currently on PDF page 65)
- Institute for Safe Medication Practices (ISMP): Statement on Use of Metric Measurements to Prevent Errors with Oral Liquids (PDF)
International:
- Other national metrication organizations:
  - UK Metric Association (UKMA)
  - Canadian Metric Association (CMA)
- International metric standards organizations:

USMA members:
- James R. Frysinger’s “Metric Methods”
- S I Jakub Associates’ “Metric Units, Standards, Practices”
- Bill Potts’ “SI Navigator”
- Carl Sorenson’s “The Metric System”
- Bryan Dyck’s “Metric America”
- Pat Naughtin’s “Metrication Matters”
- Justin Jih’s “The International System of Units and the Road Speeds in the United States”
- Randy Bancroft’s “The Metric Maven”
- David Pearl’s “Metric Pioneer”
- Mark Henschel’s Support for the Metric Only Update of the FPLA (PDF/PowerPoint presentation)
- Mark Henschel’s Chamber of Commerce speech (AVI presentation)
- Orsatti Productions Inc.’s Metric World (website with video and audio media)
- Don Hillger’s “Metric and Related-Standards Philately”
(USMA members may ask us to list their sites by contacting the USMA Webmaster. To be eligible for listing, a site must be metric-related and mainly non-commercial in nature. Acceptance of sites for this list is solely at the discretion of the USMA Website Committee. USMA’s listing does not constitute an endorsement of a site’s contents.)
Social Media sites (primarily about the metric system)
- Metric (Reddit)
- Metric system (Pinterest)
Other Related Standards Information:
- International standard date and time notation (Does 01/02/03 mean January 2, 2003 or 1 February 2003 ?)
- International standard paper sizes (ISO A-size paper)
- Metric typographical units (to replace points, picas, etc.)

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