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Metrology

Weights & measures

Projects/Programs

Keyword

Organizational Unit

International System of Units (SI)

The International System of Units (SI) provides definitions of units of measurement that are widely accepted in science and technology and which set measurement

NIST Headquarters
-Management Resources
--Management Resources
---Associate Director for Management Resources
----Associate Director for Management Resources - HQ
---Business Operations Office
----Boulder Business Operations Group
----Business Operations Office - HQ
----External Partnerships Group
----Operations and Customer Management Support Group
----Project Management Office
---Emergency Services Office
----Emergency Management, Preparedness and Coordination Group
----Emergency Services - HQ
----Fire Protection Group
----Security Systems and Access Control Group
---Civil Rights and Diversity Office
----Civil Rights and Diversity Office - HQ
---Information Services Office
----Research Library Group
----Digital Services and Publishing Group
----Information Services Office - HQ
---Fabrication Technology Office
----Fabrication Technology Office - HQ
--Office of Facilities and Property Management
---Boulder Design and Construction Division
----Boulder Design and Construction - HQ
----Facilities Improvement (Boulder) Group
----Facilities Library, Archives and As-Built (Boulder) Group
----Facilities Modernization (Boulder) Group
---Gaithersburg Design and Construction Division
----Facilities Improvement (Gaithersburg) Group
----Facilities Library, Archives, and As-Built (Gaithersburg) Group
----Construction Contract Management Group
----Facilities Modernization (Gaithersburg) Group
----Gaithersburg Design and Construction - HQ
---Gaithersburg Facility Maintenance Division
----Operations Engineering Group
----Scheduling, Outages and Metrics Group
----Gaithersburg Facility Maintenance - HQ
----Facilities Enhancement Group
----Alteration and Maintenance Group
----Planning, Estimating and Materials Group
----Steam and Chilled Water Generation Plant Group
---Facilities Services Division
----Logistics Group
----Site Services Group
----Facilities Services Division - HQ
---Boulder Facilities Maintenance Division
----Engineering and Management Group
----Site Support Group
----Safety and Compliance Group
----Building Management and Maintenance Group
----Boulder Facilities Maintenance- HQ
----Support Services Group
---Emergency Services Division
----Police Services
----Security Systems and Access Control Group
----Fire Protection Group
----Emergency Services - HQ
----Emergency Management, Preparedness and Coordination Group
---Office of Facilities and Property Management
----Capital Asset Management and Facilities Planning Group
----Office of Facilities and Property Management - HQ
----Boulder Site Management Group
----Administrative Operations Group
----Program Office
----Reimbursement Projects Group
----Safety, Health and Compliance Group
--Office of Acquisition and Agreements Management
---Office of Acquisition and Agreements Management
----Administrative Support and Document Control Group
----Office of Acquisition and Agreements Management - HQ
----Policy and Compliance Group
----Reimbursable Agreements Coordination Office
---Grants Management Division
----Grants Management - HQ
---Acquisition Management Division
----Acquisition Management - HQ
--Office of Information Systems Management
---Applications Systems Division
----Applications Systems - HQ
---Research Services Office
----Research Services Office - HQ
---Business Systems Division
----Business Systems Division - HQ
---Information Technology Security & Networking Division
----Information Technology Security & Networking - HQ
---Identity, Credential, and Access Management Division
----Identity, Credential, and Access Management - HQ
---Customer Access and Support Division
----Customer Access and Support - HQ
---Infrastructure Services Division
----Infrastructure Services Division - HQ
---Office of Information Systems Management
----Office of Information Systems Management - HQ
---Innovation and Solutions Division
----Innovation and Solutions Division - HQ
---Platform Services Division
----Platform Services Division - HQ
--Office of Human Resources Management
---Operations and Strategic Programs Division
----Operations and Strategic Program - HQ
---Human Resources Management Office
----Human Resources Management Office - HQ
---Compensation, Recognition, and Effectiveness Division
----Compensation, Recognition, and Effectiveness - HQ
--Office of Safety, Health and Environment
---Office of Safety, Health and Environment
----Office of Safety, Health and Environment - HQ
---Gaithersburg Safety, Health and Environment Division
----Safety and Health Group
----Gaithersburg Safety, Health and Environment - HQ
----Fire and Facilities Safety Group
----Environmental Management Group
---Gaithersburg Radiation Safety Division
----Radiation Facilities Group
----Program Development and Compliance Group
----Gaithersburg Radiation Safety - HQ
---Boulder Safety, Health and Environment Division
----Boulder Safety, Health and Environment - HQ
--Office of Financial Resource Management
---Financial Systems and Reporting Division
----CBS Core Support Group
----CBS Feeder System Support Group
----Financial Systems and Reporting Division - HQ
----Financial Statements Group
----Data Control Group
----Reconciliations Group
---Office of Financial Resource Management
----Office of Financial Resource Management - HQ
----Internal Controls Management & Evaluation Office
----Enterprise Risk Management Office
---Finance Division
----Finance - HQ
----Financial Statements Group
----Data Control and Cost Execution Group
----Accounts Payable Purchase Orders, Grants & Foreign Payments
----Accounts Payable Contracts and Government Group
----Receivables Group
----Reconciliations Group
----Travel Group
---Financial Operations Division
----Travel Group
----Reimbursables Group
----Receivables Group
----Accounts Payable II Group
----Financial Operations - HQ
----Accounts Payable I Group
---Budget Division
----Technical and Extramural Programs Group
----Institutional Support and Facilities Group
----Budget - HQ
----Formulation and Financial Management Group
-Laboratory Programs
--Communications Technology Laboratory
---RF Technology Division
----High-Speed Measurements Group
----Metrology for Wireless Systems Group
----RF Electronics Group
----RF Fields Group
----Shared Spectrum Metrology Group
----RF Technology Division - HQ
---Wireless Networks Division
----Wireless Networks Division - HQ
---Public Safety Communications Research Division
----Public Safety Communications Research Division - HQ
----Advanced Communications Research Group
----Network Operations Group
---Communications Technology Laboratory HQ
----Communications Technology Laboratory HQ Gp
----Boulder Laboratory Director Office
----Communication Test Coordination Office
--Engineering Laboratory
---Energy and Environment Division
----Energy and Environment - HQ
----Mechanical Systems and Controls Group
----Indoor Air Quality and Ventilation Group
----HVAC&R Equipment Performance Group
----Heat Transfer and Alternative Energy Systems Group
---Intelligent Systems Division
----Intelligent Systems - HQ
----Manipulation and Mobility Systems Group
----Cognition and Collaboration Systems Group
----Networked Control Systems Group
----Production Systems Group
----Sensing and Perception Systems Group
---Materials and Structural Systems Division
----Earthquake Engineering Group
----Infrastructure Materials Group
----Inorganic Materials Group
----Community Resilience Group
----Materials and Structural Systems - HQ
----Polymeric Materials Group
----Structures Group
---Engineering Laboratory Office
----Applied Economics Office
----Engineering Laboratory - HQ
----Smart Grid Program Office
----Engineering Laboratory Data, Security, Technology Group
---Fire Research Division
----National Fire Research Laboratory Group
----Wildland Urban Interface Fire Group
----Flammability Reduction Group
----Fire Research - HQ
----Engineered Fire Safety Group
----Fire Fighting Technology Group
---Systems Integration Division
----Life Cycle Engineering Group
----Process Engineering Group
----Information Modeling and Testing Group
----Systems Engineering Group
----Systems Integration - HQ
--Information Technology Laboratory
---Applied Cybersecurity Division
----Applied Cybersecurity - HQ
----Cybersecurity and Privacy Applications Group
----National Cybersecurity Center of Excellence
----Trusted Identity Initiative Group
----National Initiative for Cybersecurity Education (NICE)
---Computer Security Division
----Computer Security - HQ
----Cryptographic Technology Group
----Secure Systems and Applications Group
----Security Components and Mechanisms Group
----Security Test, Validation and Measurement Group
----Security Engineering and Risk Management Group
---Applied and Computational Mathematics Division
----Mathematical Software Group
----Mathematical Analysis and Modeling Group
----Computing and Communications Theory Group
----High Performance Computing and Visualization Group
----Applied and Computational Mathematics - HQ
---Advanced Network Technologies Division
----Emerging Network Technologies Group
----Internet and Scalable Systems Metrology Group
----Advanced Network Technologies - HQ
---Statistical Engineering Division
----Applied and Computational Statistics Group
----Statistical Design, Analysis, and Modeling Group
----Statistical Engineering - HQ
---Software and Systems Division
----Systems Interoperability Group
----Software Quality Group
----Software and Systems - HQ
----Cyber Infrastructure Group
----Information Systems Group
---Information Access Division
----Information Access - HQ
----Image Group
----Multimodal Information Group
----Retrieval Group
----Visualization and Usability Group
---Information Technology Laboratory Office
----Office of Computational Science for Metrology
----Office of IT Standardization
----Office of Government and Industrial Liaison
----Information Technology Laboratory Office - HQ
----Office of Chief Cybersecurity Advisor
--Laboratory Programs
---Research Protections Office
----Research Protections Office - HQ
---Standards Coordination Office
----Standards Services Group
----Standards Coordination Office - HQ
----National Voluntary Laboratory Accreditation Program (NVLAP)
---Special Programs Office
----Special Programs Office-HQ
----Law Enforcement Standards Office
---Associate Director for Laboratory Programs
----Associate Director for Laboratory Programs - HQ
--Material Measurement Laboratory
---Office of Reference Materials
----Business and Quality Management Group
----Business Application Development, Support, and Security Group
----Sales and Customer Services Group
----Publication and Web Services Group
----Office of Reference Materials - HQ
----Materials and Physical Services Group
---Office of Data and Informatics
----Office of Data and Informatics - HQ
----Data Services Group
----Data Sciences Group
---Biosystems and Biomaterials Division
----Biomarker and Genomic Sciences Group
----Cellular Engineering Group
----Biomaterials Group
----Genome-Scale Measurements Group
----Complex Microbial Systems Group
----Cell Systems Science Group
----Biosystems and Biomaterials Division - HQ
---Chemical Sciences Division
----Biochemical and Exposure Science Group
----Chemical Informatics Group
----Optical Measurements Group
----Chemical Process and Nuclear Measurements Group
----Gas Sensing Metrology Group
----Inorganic Chemical Metrology Group
----Biospecimen Science Group
----Environmental Chemical Sciences Group
----Chemical Sciences Division - HQ
----Marine Biochemical Sciences Group
----Organic Chemical Metrology Group
---Biomolecular Measurement Division
----Biomolecular Structure and Function Group
----Mass Spectrometry Data Center Group
----Bioprocess Measurements Group
----Bioanalytical Science Group
----Biomolecular Measurement Division - HQ
----Applied Genetics Group
---Applied Chemicals and Materials Division
----Applied Chemicals and Materials Division - HQ
----Thermodynamics Research Center Group
----Thermophysical Properties of Fluids Group
----Nanoscale Reliability Group
----Fluid Characterization Group
----Fatigue and Fracture Group
---Materials Science and Engineering Division
----Thermodynamics and Kinetics Group
----Polymers Processing Group
----Mechanical Performance Group
----Polymers and Complex Fluids Group
----Materials Science and Engineering Division - HQ
----Functional Polymers Group
----Functional Nanostructured Materials Group
---Materials Measurement Science Division
----Security Technologies Group
----Surface and Trace Chemical Analysis Group
----Nanomechanical Properties Group
----Nano Materials Research Group
----Materials Structure and Data Group
----Microscopy and Microanalysis Research Group
----Synchrotron Science Group
----Materials Measurement Science Division - HQ
----Materials for Energy and Sustainable Development Group
---Material Measurement Laboratory Office
----The Material Measurement Laboratory Office of Operations Group
----Material Measurement Laboratory - HQ
----Genome-Scale Measurement Group
--NIST Center for Neutron Research
---NIST Center for Neutron Research
----Research Facility Operations Group
----NIST Center for Neutron Research - HQ
----Reactor Operations and Engineering Group
----Neutron-Condensed Matter Science Group
--Physical Measurement Laboratory
---Microsystems and Nanotechnology Division
----Biomedical Microtechnologies Group
----Biophysics Group
----Micro/Nanoelectromechanical Systems Group
----Microsystems and Nanotechnology - HQ
----Single Emitters Group
----Photonics and Plasmonics Group
----Nanoscale and Nanostructure Metrology Group
---Time and Frequency Division
----Atomic Devices & Instrumentation Group
----Atomic Standards Group
----Ion Storage Group
----Optical Frequency Measurements Group
----Time and Frequency Services Group
----Time and Frequency Metrology Group
----Time and Frequency - HQ
---Quantum Physics Division
----Quantum Physics - HQ
---Radiation Physics Division
----Dosimetry Group
----Radioactivity Group
----Radiation Physics - HQ
----Neutron Physics Group
---Sensor Science Division
----Ultraviolet Radiation Group
----Sensor Science - HQ
----Dimensional Metrology Group
----Thermodynamic Metrology Group
----Remote Sensing Group
----Optical Radiation Group
----Fluid Metrology Group
----Surface and Interface Metrology Group
---Applied Physics Division
----Advanced Microwave Photonics Group
----Applied Physics - HQ
----Faint Photonics Group
----Quantitative Nanostructure Characterization Group
----Quantum Devices Group
----Molecular and Bio-Photonics Group
----Optoelectronic Manufacturing Group
----Magnetic Imaging Group
----Fiber Sources and Applications Group
----Quantum Nanophotonics Group
----Sources and Detectors Group
---Quantum Measurement Division
----Quantum Optics Group
----Mass and Force Group
----Quantum Measurement - HQ
----Laser Cooling and Trapping Group
----Fundamental Electrical Measurements Group
----Applied Electrical Metrology Group
----Atomic Spectroscopy Group
---Quantum Electromagnetics Division
----Quantum Processing Group
----Quantum Sensors Group
----Quantum Electromagnetics - HQ
----Nanoscale Spin Dynamics Group
----Microfabrication Group
----Radio-Frequency Electronics Group
----Radio-Frequency Fields Group
----Superconductive Electronics Group
----Spin Electronics Group
----Magnetics Group
---Nanoscale Device Characterization Division
----Atom Scale Device Group
----Nanoscale Device Characterization Division - HQ
----Alternative Computing Group
----Nanoscale Spectroscopy Group
----Nanoscale Imaging Group
----Nanoscale Processes and Measurements Group
---Physical Measurement Laboratory Office
----Physical Measurement Laboratory- HQ
----PML Information Office
----Center for Nanoscale Science and Technology
----Office of Weights and Measures
----Boulder Laboratory Director Office
-Innovation & Industry Services
--Office of Advanced Manufacturing
---Office of Advanced Manufacturing
----Office of Advanced Manufacturing - HQ
--Baldrige Performance Excellence Program
---Baldrige Performance Excellence Program Office
----Award Process Group
----Director's Office, Baldrige Performance Excellence Program
----Administrative Support/Electronic Information Group
----Outreach and Communications Group
----Publications Management Group
----Workforce Development Group
--Innovation & Industry Services
---Associate Director for Innovation & Industry Services
----Associate Director for Innovation & Industry Services - HQ
---Advanced Manufacturing Office
----Advanced Manufacturing Office - HQ
---Economic Analysis Office
----Economic Analysis Office - HQ
---Technology Partnerships Office
----Technology Partnerships Office - HQ
---Technology Innovation Program Office
----Technology Innovation Program Office - HQ
--Hollings Manufacturing Extension Partnership Program
---Network Learning and Strategic Competitions Division
----Network Learning and Strategic Competitions - HQ
---Regional and State Partnerships Division
----Regional Management Group
----Regional and State Partnerships - HQ
---External Affairs and Performance Division
----External Affairs and Performance - HQ
----Program Evaluation and Economic Research Group
----Marketing and Communications Group
---Finance Management and Center Operations Division
----Finance Management and Center Operations - HQ
----Center Operations and Financial Management Group
---Extension Services Division
----Extension Services - HQ
---Hollings Manufacturing Extension Partnership Program Office
----Hollings Manufacturing Extension Partnership Program - HQ
-Director's Office
--Director's Office
---Public Affairs Office
----Media Liaison Group
----Video and Digital Media Production Group
----Public Affairs Office - HQ
----Internal Communications and Inquiries Group
----Conference Program and Audiovisual Services Group
----Boulder Meetings Support and Services Group
----Web Content Development Group
---Program Coordination Office
----Program Coordination Office - HQ
---Director's Office
----Director's Office - HQ
----Onboarding Group
---Congressional and Legislative Affairs Office
----Congressional and Legislative Affairs Office - HQ
---Human Subjects Protection Office
----Human Subjects Protection Office - HQ
---Management and Organization Office
----Management and Organization Office- HQ
---International and Academic Affairs Office
----International and Academic Affairs Office - HQ