Essentials of the SI; Introduction; SI units and prefixes; Units outside the SI; Rules and style conventions; ... Background; Definitions of the SI base units and their historical context; International aspects of the SI; Unit conversions;
physics.nist.gov/cuu/Units/index.html physics.nist.gov/cuu/Units/index.html
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The SI is founded on seven SI base units for seven base quantities assumed to be mutually independent, as given in Table 1 ... Table 1. SI base units ... Derived quantity Name Symbol Expression in terms of other SI units Expression in terms of; SI base units...
physics.nist.gov/cuu/Units/units.html physics.nist.gov/cuu/Units/units.html
Reference information on the International System of Units (SI). ... SI Derived Units ... International System of Units (SI): SI Units...
www.chemie.fu-berlin.de/chemistry/general/si_en.html www.chemie.fu-berlin.de/chemistry/general/si_en.html
The International System of Units (SI) ... The 11th General Conference on Weights and Measures (1960) adopted the name Système International d'Unités (International System of Units, international abbreviation SI), for the recommended practical system of units of measurement.
www.bipm.org/en/si/ www.bipm.org/en/si/
SI base units ... > You are here: SI > base units ... > You are here: SI > base units Printable version Back to top...
www.bipm.org/en/si/base_units/ www.bipm.org/en/si/base_units/
International System of Units - Wikipedia, the free encyclopedia
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The International System of Units (abbreviated SI from the French lang|fr| le 'S ystème i 'nternational d'unités}} ) is the modern form of the metric system and is generally a system devised...
en.wikipedia.org/wiki/International_System_of_Units
SI prefix - Wikipedia, the free encyclopedia
An SI prefix (also known as a metric prefix ) is a name or associated symbol that precedes a basic unit of measure (or its symbol) to form a decimal multiple or submultiple. The abbreviation SI ...
en.wikipedia.org/wiki/SI_prefix
The International System of Units (SI) ... Other SI units, called SI derived units, are defined algebraically in terms of these fundamental units. For example, the SI unit of force, the newton, is defined to be the force that accelerates a mass of one kilogram at the rate of one meter per second per second.
www.unc.edu/~rowlett/units/sipm.html www.unc.edu/~rowlett/units/sipm.html
A summary of most of the units of measurement to be found in use around the world today (and a few of historical interest), together with the appropriate conversion factors needed to change them into a standard unit. ... Centre for Innovation in Mathematics Teaching; Page no longer available at Exeter University servers...
www.ex.ac.uk/cimt/dictunit/dictunit.htm www.ex.ac.uk/cimt/dictunit/dictunit.htm
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