Introducing the new NIST Store. Over the next few months, NIST will continue to make updates throughout the site, providing an improved eCommerce experience for its customers.

Featured Programs

Ruler Icon An illustrated ruler icon.


The calibration services of the National Institute of Standards and Technology (NIST) are designed to help the makers and users of precision instruments achieve the highest possible levels of measurement quality and productivity.

See Calibration FAQs
Binary Document Icon An illustrated binary document icon.

Standard Reference Data

For over 50 years, NIST has developed and distributed Standard Reference Data in Chemistry, Engineering, Fluids and Condensed Phases, Material Sciences, Mathematical and Computer Sciences and Physics.

Lab Beaker IconAn illustrated lab beaker icon.

Standard Reference Materials

NIST supports accurate and compatible measurements by certifying and providing over 1200 Standard Reference Materials® with well-characterized composition or properties, or both.

See SRM FAQs Archived Certificates