Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Metrology

NIST's metrology research focuses on advancing measurement science to enhance economic security and improve quality of life.

The Romance of Precision Measurement

News and Updates

A Better Pregnancy Test for Whales

It’s not easy to do pregnancy tests on whales. You can’t just ask a wild ocean animal that’s the size of a school bus to pee on a little stick. For decades, the

Events

Industry Impacts

Low GHG Refrigerants

Hydrofluorocarbon (HFC) refrigerants are potent greenhouse gases (GHG) that are being phased down by the U.S. and 196 other countries under the Montreal

Manufacturing Large Objects

It’s expensive and time-consuming for manufacturers to ensure the large objects they make, such as aircraft wings and earth-moving equipment, are the right size

Massive Forces for Heavy Industry

Measuring large forces, such as the thrust of a rocket engine or the deflection of an aircraft wing, requires well-calibrated force sensors. NIST’s unique

Projects and Programs

Quantum Transport Measurements

We are developing the foundational knowledge and measurement infrastructure that will facilitate the use of solid state systems with emergent quantum properties

Publications

Tools and Instruments

Microcalorimeter Detector

The NIST transition edge sensor microcalorimeter is energy dispersive x-ray spectrometer capable of ~5 eV resolution over a range of energies from hundreds to

Awards

2018 Henry Marion Howe Medal

The ASM Henry Marion Howe Medal is awarded in memory of Dr. Henry Marion Howe, a distinguished teacher, writer, metallurgist and consultant...