Metrology Careers

Celebrate the SI!

Metric Week 2023: Seven Days of SI Fun 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.

Begin plans for celebrating 2023 World Metrology Day!

https://www.worldmetrologyday.org/

in 2019, the kilogram was officially redefined. Scientists from national measurement institutes across the world voted to base the measurement on fundamental constants of nature rather than on the original, physical kilogram, stored in a vault in Paris. Read more in this blog from the archives: https://bit.ly/3L2Ewgj

📷 Set of five nested Avoirdupois brass cup weights equivalent to one kilogram standard, mid 19th Century. (2lb, 2oz, 1oz, 3 drams & 10 grains) from the Science Museum Group Collection

It's time to open our doors for !

Our scientists, engineers and volunteers are very excited to welcome you and the labs are ready to be explored.

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Happy Weights and Measures Week

How Do You Know You’re Getting What You Pay For at the Grocery Store? Inspectors in every U.S. state inspect scales at grocery stores using standard weights and rigorous procedures.

World Metrology Day 2022: Metrology in the Digital Era.

Spread the word, STEM education nerds! Each summer, we bring middle school science teachers behind the scenes for a two-week workshop featuring hands-on activities, lectures and tours with NIST scientists and engineers.

Now, we’re accepting applications for the July 2022 virtual workshop.

Learn more and apply by April 30: https://www.nist.gov/iaao/academic-affairs-office/nist-summer-institute

Spread the word to the science-enthused high schoolers AND college students in your life. Two NIST student programs are now accepting applications for this summer:

SUMMER HIGH SCHOOL INTERN PROGRAM

-- Background: https://www.nist.gov/careers/student-opportunities/summer-high-school-intern-program
-- USAJOBS application: https://www.usajobs.gov/job/629217700

SUMMER UNDERGRADUATE RESEARCH FELLOWSHIP

-- Background: https://www.nist.gov/surf
-- USAJOBS application (Gaithersburg, Md.): https://www.usajobs.gov/job/629220500
-- USAJOBS application (Boulder, Colo.): https://www.usajobs.gov/job/629220400

James Prescott Joule FRS was born in 1818. The Salford-born mathematician, physicist and brewer worked to understand heat. His work is crucial to the 1st law of thermodynamics. The SI unit for for energy is named in his honour.

Swedish astronomer and physicist Anders Celsius was born in 1701. He is best known for his system of temperature measurement, though originally 0 represented the boiling point of water, and 100 represented the freezing point. This decorative thermometer is from an early account of meteorological instruments from 1688.

Everybody knows that you measure time with a clock, but how do you keep the most accurate time, down to 9 billionths of a second? And why do we need to keep such accurate time in the first place?

Read how we use atoms to make the most accurate clocks on Earth in this latest How Do You Measure It? article: https://www.nist.gov/how-do-you-measure-it/how-do-we-measure-time

The History of How Things are Measured – Metrology and Quality News - Online Magazine Guide explains the historical side of how things are measured by exploring how different societies studied and took measurements