The International System of Units

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2	SI units
Table of Contents
	Cover Forward Preface to the 7th Edition
1	Introduction
	1.1	Historical note
	1.2	Two classes of SI units
	1.3	The SI prefixes
	1.4	System of quantities
	1.5	SI units in the framework of general relativity
	1.6	Legislation on units
	2.1	SI base
		2.1.1	Definitions
			2.1.1.1	Unit of length (meter)
			2.1.1.2	Unit of mass (kilogram)
			2.1.1.3	Unit of time (second)
			2.1.1.4	Unit of electric current (ampere)
			2.1.1.5	Unit of thermodynamic temperature (kelvin)
			2.1.1.6	Unit of amount of substance (mole)
			2.1.1.7	Unit of luminous intensity (candela)
		2.1.2	Symbols for base units
	2.2	SI derived units
		2.2.1	Units expressed in terms of base units
		2.2.2	Units with special names and symbols; units which incorporate units with special names and symbols
		2.2.3	Units for dimensionless quantities, quantities of dimension one
3	Decimal multiples and submultiples of SI units
	3.1	SI prefixes
	3.2	The kilogram
4	Units outside the SI
	4.1	Units used with the SI
	4.2	Other non-SI units
5	The writing of SI unit names and symbols
	5.1	General principles
	5.2	SI unit symbols
	5.3	Algebra of SI unit symbols
	5.4	Rules for using SI prefixes

Appendix 1 - Decisions of the CGPM and the CIPM
1	Decisions relating to the establishment of the International System of Units, SI
	1.1	Decisions of the CGPM and the CIPM
	1.2	The SI
2	Decisions relating to base units of the International System
	2.1	Length
	2.2	Mass
	2.3	Time
	2.4	Electric current
	2.5	Thermodynamic temperature
	2.6	Amount of substance
	2.7	Luminous intensity
3	Decisions relating to SI derived and supplementary units
	3.1	SI derived units
	3.2	SI supplementary units
4	Decisions concerning terminology and the acceptance of units for use with the SI
	4.1	SI prefixes
	4.2	Unit symbols and numbers
	4.3	Unit names
	4.4	Units accepted for use with the SI; an example: the liter

Appendix 2 - Practical realization of the definitions of some important units
1	Length
2	Mass
3	Time
	3.1	Unit of time
	3.2	Clock comparisons, time scales
	3.3	Legal time
4	Electrical quantities
5	Temperature
6	Amount of substance
7	Photometric quantities

Appendix 3 - The BIPM and the Meter Convention

Index

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Online: October 1996 - Last update: September 2001

The International System of Units

Table of Contents