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Database: 365,228(8 Aug 2026)

SI units

SI units, Total:114 items.

The international standard classification for "SI units" includes: Character sets and information coding .

The Chinese standard classification for "SI units" includes: Quantity and Unit , Codification .


Taiwan Provincial Standard of the People's Republic of China

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Agriculture

American National Standards Institute (ANSI)

  • ANSI/IEEE 260.1:2004 Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • ANSI/IEEE/ASTM SI10:2011 Standard for Use of the International System of Units (SI): The Modern Metric System
  • ANSI/IEEE 270:2006 Standard Definitions for Selected Quantities, Units, and Related Terms, with Special Attention to the International System of Units (SI)

Cooling Technology Institute

Standard Association of Australia (SAA)

  • AS Z46:1967 The international system (SI) units
  • AS 1000:1970 The International System (SI) units and their application
  • AS ISO 1000:1998 The international system of units (SI) and its application
  • AS 1000:1974 The international system of units (SI) and its application
  • AS 1000:1979 The International System of Units (SI) and its application

RO-ASRO

  • STAS 737/1-1991 International system of units (si). Base and supplementary units
  • STAS 737/8-1984 International Svstem of Units (SI) UNITS OF MECHANICS
  • STAS 737/10-1987 International System of Units (SI) UNITS CHARACTERISTIC OF HEAT QUANTITIES
  • STAS 737/12-1987 International System of Units (SI) UNITS CHARACTERISTIC OF ACOUSTICS
  • STAS 737/14-1983 International system of units (SI) UNITS CHARACTERISTICS QUANTITIES OF ATOMIC AND NUCLEAR PHYSICS
  • STAS 737/6-1983 International System of Units (SI) UNITS OF SPACE AND TIME
  • STAS 737/16-1984 International System of Units (SI) UNITS OF SOLID STATE PHYSICS
  • STAS 737/9-1983 International System of Units (SI) UNITS OF ELECTRICITY AND MAGNETISM
  • STAS 9446-1985 USING OF MEASURE LEGAL UNITS OUTSIDE THE INTERNATIONAL SYSTEM OF UNITS
  • STAS 737/4-1984 International System of Units (SI) PREFIXES SI
  • STAS 737/7-1983 International System of Units (SI) UNITS OF PERIODIC AND RELA- TED PHENOMENA
  • STAS 10085/2-1986 MEASURE UNITS OUTSIDE INTERNATIONAL SYSTEM OF UNITS (SI) Conversion factors
  • STAS 737/3-1991 International System of Units (SI) RULES FOR WRIT1NG AND USE OF SI UN1TS
  • STAS 737/11-1984 International Svstem of Units (SI) UNITS OF LIGHT AND RELATED ELECTROMAGNETIC RADIATIONS

American Society of Mechanical Engineers (ASME)

PT-IPQ

Indonesia Standards

AASHTO - American Association of State Highway and Transportation Officials

  • R 1-2004 Standard Recomended Practice for Use of the International System of Units
  • R1-2000 Standard Recomended Practice for Use of the International System of Units (Twentieth Edition; IEEE/ASTM SI 10-1997)

TR-TSE

  • TS 293-1965 THE INTERNATIONAL SYSTEM OF UNITS AND OUANTITIES

SCC

VE-FONDONORMA

AT-ON

  • ONORM A 6432-1986 International System of Units (SI); SI units, decimal multiples and sub-multiples of SI units, units outside the SI

Institute of Electrical and Electronics Engineers (IEEE)

  • IEEE/ASTM SI 10-2002 Use of the International System of Units (SI): The Modern Metric System
  • IEEE PSI 10/D2, October 2010 IEEE Draft Standard for Use of the International System of Units (SI): The Modern Metric System
  • IEEE PSI-10/D1, May 2010 IEEE Draft Standard for Use of the International System of Units (SI): The Modern Metric System
  • IEEE 322-1971 IEEE Recommended Practice: Rules for the Use of Units of the International System of Units
  • IEEE 268-1992 American national standard for metric practice
  • IEEE Std 322-1971*ANSI Z210.2-1972 IEEE Recommended Practice: Rules for the Use of Units of the International System of Units
  • IEEE Std P270/D10d, Sep 2005 IEEE Draft Standard Definitions for Selected Quantities, Units, and Related Terms, With Special Attention to the International System (SI) of Units
  • IEEE Std 268A-1980 IEEE International System of Units Conversion Factors Card
  • IEEE 260.1-2004 Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE 267A-1980 IEEE International System of Units Conversion Factors Card
  • IEEE 260.1-1993 Letter symbols for units of measurement (SI units, customary inch-pound units, and certain other units)
  • ANSI/IEEE Std 260.1-1993 American National Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)

American Society for Testing and Materials (ASTM)

  • ASTM R0017 SI Quick Reference Guide: International System of Units (SI) The Modernized Metric System
  • ASTM SI10-02 IEEE/ASTM SI 10 American National Standard for Use of the International System of Units (SI): The Modern Metric System

IT-UNI

International Telecommunication Union (ITU)

SG-SPRING SG

  • SS ISO 1000:1992 SI Units And Recommendations For The Use Of Their Multiples And Of Certain Other Units
  • SS 52-1971 RULES FOR THE USE OF UNITS OF THE INTERNATIONAL SYSTEM (SI)

Danish Standards Foundation

  • DS/ISO 1000:1983 SI units and recommendations for the use of their multiples and of certain other units

BE-NBN

  • NBN X 02-001-1986 SI-units and recommendations for the use of their mul-tiples and of certain other units
  • NBN 351F-1968 International character symbol used in electronic technology, International System of Units

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

  • IEEE 322-1972 Recommended Practice: Rules for the Use of Units of the International System of Units
  • IEEE 268A-1987 INTERNATIONAL SYSTEM OF UNITS (SI) CONVERSION FACTORS
  • IEEE 268A-1980 INTERNATIONAL SYSTEM OF UNITS (SI) CONVERSION FACTORS
  • IEEE SI 10-2002 Use of the International System of Units (SI): The Modern Metric System
  • IEEE SI 10 ERTA-2005 Use of the International System of Units (SI): The Modern Metric System

Japanese Industrial Standards Committee (JISC)

  • JIS Z 8203:1985 Si units and the use of their multiples and of certain other units

ES-AENOR

NL-NEN

  • NEN 1000-1993 Rules for the use of the International System of Units (SI)

GSO

  • OS GSO 1:1990 The international system of units Part 1: Quantities and base,supplementary and derived units.
  • GSO 1:1990 The international system of units Part 1: Quantities and base,supplementary and derived units.

American Concrete Institute

  • ACI 546.2R-2020 Guide to Underwater Repair of Concrete (IN-LB Units and SI Units)

Association Francaise de Normalisation

Spanish Association for Standardization (UNE)

  • UNE 40305:1975 MAGNITUDES AND UNITS OF APPLICATION IN TEXTILE INDUSTRY. INTERNATIONAL SYSTEM OF SI UNITS.

API - American Petroleum Institute

  • API MPMS 15.1-1973 Manual of Petroleum Measurement Standards Chapter 15 Section 1 Metric Practice Guide A Guide to the Use of SI-The International Systems of Units (SECOND EDITION; Formerly Publ 2563)