Chair of Metrology
- Resource including quiz and examples of measurement, decision making, compliance with specification, and comparison of two quantities. Maintained by a professor in electrical engineering in Osijek, Croatia.
- http://www.etfos.hr/~akolundzic

Salzenstein, Patrice
- PhD research engineer in time and frequency metrology, featuring phase noise measurements, and the spectral domain for microwave, based in Besançon, France.
- http://www.lpmo.edu/~salzenst/english.html

Metrology Forum
- Offers enlightenment to the uninitiated and soul-food for practitioners of electrical calibration. Includes standards, accreditation, quality and equipment management articles, maintained by Agilent Technologies, Palo Alto, California.
- http://metrologyforum.tm.agilent.com/

Internet Resource for the International Temperature Scale of 1990
- Scales and supplementary information for metrologists, scientists, calibration engineers, and those with an interest in its measurement. Includes uncertainty calculator software for download from the UK.
- http://www.its-90.com/

Metrology Metro's Metric Links
- Resources for metrological and calibratory information, both US and SI, including quiz, events, books, jobs and contacts for sponsors and advertisers in Renfrew, Pennsylvania.
- http://www.metrologymetro.com/