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Database: 365,228(8 Aug 2026)

Annual unit

Annual unit, Total:200 items.

The international standard classification for "Annual unit" includes: Textile fabrics , Mathematics. Natural sciences (Vocabularies) , Geology. Meteorology. Hydrology .

The Chinese standard classification for "Annual unit" includes: Basic standards and general methods , Quantity and Unit , Office supplies and office implements , Meteorology , Basic standards and general methods .


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

Taiwan Provincial Standard of the People's Republic of China

Professional Standard - Education

  • JY 0343-1994 Specification for the capacity vnit demonstrator

Professional Standard - Meteorology

  • QX/T 353-2016 Specifications for service documents archive management of meteorological information service unit
  • QX/T 403-2017 Specification for annual report of lightning protection system inspection units

Professional Standard - Water Conservancy

  • SL/T 2-2014 Water conservancy, hydropower and units
  • SL 2-2014 Quantities and units in water resources and hydropower
  • SL 2.3-1998 Special quantities and units -- water resources and hydropower

Professional Standard - Earthquake

  • DB/T 25-2008 Quantities and units for earthquake observation

Professional Standard - Aviation

Swedish Institute for Standards

German Institute for Standardization

Austrian Standards

Yugoslav Association for Standardization

  • JUS A.A1.025-1980 Quantities, unitsand symbols. Quantities and units of mechanics
  • JUS A.A1.026-1980 Quantities, units and symbols. Quantities and units of heat
  • JUS A.A1.023-1980 Ouantities, units and symbols. Ouantities and units of space and time
  • JUS A.A1.027-1982 Ouantities, units and symbols. Quan tities and units of electricity and magnetism
  • JUS A.A1.028-1982 uantities, units and symbols. Quantities and units of lightand related electromagnetic radiations
  • JUS A.A1.024-1980 Quantities, units and symbols. Quantities and units of periodic and related phanomena
  • JUS A.A1.037-1980 Ouantities, units and symbols. Conversion factors for units no longer to be used

Chile Instituto Nacional de Normalización

Standard Association of Australia (SAA)

  • AS 2900.4:1986 Quantities, units, and symbols - Quantities and units of heat
  • AS 2900.7:1986 Quantities, units, and symbols - Quantities and units of acoustics
  • AS 2900.3:1986 Quantities, units, and symbols - Quantities and units of mechanics
  • AS 2900.5:1986 Quantities, units, and symbols - Quantities and units of electricity and magnetism
  • AS R22:1957 Dispensing measures for pharmaceutical purposes (imperial units)
  • AS 2900.13:1986 Quantities, units, and symbols - Quantities and units of solid state physics
  • AS 2900.1:1986 Quantities, units, and symbols - Quantities and units of space and time
  • AS 2900.9:1986 Quantities, units, and symbols - Quantities and units of atomic and nuclear physics
  • AS L23:1964 Method for the determination of weight per unit length and weight per unit area of woven textile fabrics
  • AS 2900.6:1986 Quantities, units, and symbols - Quantities and units of light and related electromagnetic radiations
  • AS 2900.2:1986 Quantities, units, and symbols - Quantities and units of periodic and related phenomena
  • AS 2900.10:1986 Quantities, units, and symbols - Quantities and units of nuclear reactions and ionizing radiations
  • AS 2900.0:1986 Quantities, units, and symbols - General principles concerning quantities, units, and symbols
  • AS 2900.8:1986 Quantities, units, and symbols - Quantities and units of physical chemistry and molecular physics

Spanish Association for Standardization (UNE)

  • AENOR UNE 5012:1953 EQUIVALENCE BETWEEN UNITS OF QUANTITY OF HEAT AND ENERGY
  • UNE 82100-4:1996 QUANTITIES AND UNITS. PART 4: HEAT.
  • UNE 40305:1975 MAGNITUDES AND UNITS OF APPLICATION IN TEXTILE INDUSTRY. INTERNATIONAL SYSTEM OF SI UNITS.
  • UNE 40339:2002 Textiles. Woven fabrics. Determination of mass per unit length and mass per unit area.

Institute of Electrical and Electronics Engineers (IEEE)

  • IEEE 260.1-2004 Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE 260.1-1993 Letter symbols for units of measurement (SI units, customary inch-pound units, and certain other units)
  • IEEE 260-1978 IEEE Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE P260.1/D21, November 2023 IEEE Draft Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE P260.1/D20, May 2023 IEEE Draft Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • P260.1/D19, February 2023 IEEE Draft Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE P260.1/D19, February 2023 IEEE Draft Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE P260.1/D18, August 2022 IEEE Draft Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • IEEE P260.1 IEEE Draft Standard 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)
  • IEEE Std 260.1-2004(R2010) IEEE Standard Letter Symbols for Units of Measurement (SI Customary Inch-Pound Units, and Certain Other Units)
  • IEEE Std 260.1-2004 IEEE Standard Letter Symbols for Units of Measurement (SI Customary Inch-Pound Units, and Certain Other Units)
  • IEEE Std 260.1-2024 IEEE Standard for Letter Symbols for Measurement Units (SI and Other Common Units)
  • IEEE 260.1-2024 IEEE Standard for Letter Symbols for Measurement Units (SI and Other Common Units)

Standards New Zealand

  • NZS 6501:1982 Units of Measurement (ISO Standards Handbook 2 - 1982) (Corrigendum 1 1983)

The Directorate General of Specifications and Metrology (DGSM)

GCC Standardization Organization

  • GSO 1:1990 The international system of units Part 1: Quantities and base,supplementary and derived units.
  • GSO OIML D2:2014 Legal Measurement Units

National Standardisation Body (ASRO)

  • STAS 737/10-1987 International System of Units (SI) UNITS CHARACTERISTIC OF HEAT QUANTITIES
  • STAS 9446-1985 USING OF MEASURE LEGAL UNITS OUTSIDE THE INTERNATIONAL SYSTEM OF UNITS
  • STAS 10085/2-1986 MEASURE UNITS OUTSIDE INTERNATIONAL SYSTEM OF UNITS (SI) Conversion factors
  • STAS 738-1960 Geometric dimensions. Unit of measure

American National Standards Institute (ANSI)

  • ANSI/IEEE Std260.1:1993 American National Standard Letter Symbols for Units of Measurement ( SI Units, Customary Inch-Pound Units, and Certain Other Units)
  • ANSI/IEEE 260.1:2004 Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)

British Standards Institution (BSI)

International Electrotechnical Commission (IEC)

International Organization for Standardization (ISO)

Gosstandart of Russia

  • GOST 8.417-2002 State system for ensuring the uniformity of measurements. Units of quantities
  • GOST 8.417-2024 State system for ensuring the uniformity of measurements. Units of quantities

Standards Norway

Association Francaise de Normalisation

Kingdom of Bahrain Testing and Metrology Directorate

The American Society of Agricultural and Biological Engineers

International Maritime Organization (IMO)

  • IMO I713E-1983 TONNAGE MEASUREMENT OF SHIPS, 1969 (English Edition: 1979)

Belgian Standards Institute

Bureau of Indian Standards

  • IS 1964-2001 Methods for Determination of Mass per Unit Lenght and Mass per Unit Area of Fabrics
  • IS 1890-3-1995 Quantities and Units-3 Mechanics
  • IS 9620-2024 Guide for Units Used in Air Quality Measurements
  • IS 1890-5-1995 Quantities and Units-5 Electricity and magnetism

Society of Automotive Engineers (SAE)

International Telecommunication Union (ITU)

Ente Nazionale Italiano di Unificazione

Portuguese Institute of Quality

American Petroleum Institute (API)

  • API SPEC 5ST CHINESE-2010 Specification for Coiled Tubing - U.S. Customary and SI Units (FIRST EDITION; Effective October 1@ 2010)
  • API MOD 2-1970 MODEL FORM OF UNIT AGREEMENT (WITH SUPPLEMENT) THIRD EDITION JANUARY 1970
  • API SPEC 5ST-2010 Specification for Coiled Tubing - U.S. Customary and SI Units (FIRST EDITION; EFFECTIVE DATE: OCTOBER 1@ 2010)

Türk Standardları Enstitüsü

Indonesia Standards

  • SNI ISO 3801:2010 Textiles - Woven fabrics - Determination of mass per unit length and mass per unit area)
  • SNI 8764:2019 Textile - Knitted fabric - Method for testing fabric weight per length and fabric weight per area

Institute of Transportation Engineers (ITE)

  • LP-608-1985 Highway Capacity Manual 2000 – U.S. Customary Units
  • LP-608-2000 Highway Capacity Manual 2000 – U.S. Customary Units

Korean Agency for Technology and Standards (KATS)

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

  • TCVN 4-1993 Quantities and units.Letter symbols of quantities

Military Standards (MIL-STD)

Danish Standards Foundation

Czech Standards Institute (UNMZ)

Lithuanian Standards Office

  • LST ISO 3801:1998 Textiles. Woven fabrics. Determination of mass per unit length and mass per unit area

Institute of Interconnecting and Packaging Electronic Circuits (IPC)