​The NIST Store is an online shopping experience where customers can order NIST products and services including calibration services, Standard Reference Data products, and Standard Reference Materials.

In compliance with Executive Order 14247, checks will no longer be an approved payment method after September 30, 2025.

**Please Note – SRM 2026 Inventory Schedule**

Friday, 09/04/2026 is the last day that we will schedule Air Freight cold pack/dry ice pick up.
Tuesday, 09/08/2026 is the last day that we will ship dry-ice, hazardous, and international orders as well as scheduling Air Freight (non-perishable) pick up.
Friday, 09/11/2026 is the last day (until 10:30 am) that we will accept non-hazardous domestic orders for immediate shipment prior to inventory.
Monday, 09/14/2026 through Wednesday, 09/30/2026 – orders can be taken, but shipping will not occur.
Thursday, 10/01/2026 - all orders will begin to be shipped.

Featured Programs

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Calibrations

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
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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.

See SRD FAQs
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Standard Reference Materials

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

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