International System of Units

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The International System of Units (commonly abbreviated to SI from its French name Système Internationale d'Unités) is the international system of units of measurement established under the Metre Convention. It is based on seven "base units", with a potentially limitless number of "derived units".

Base units

Unit name Unit symbol Physical quantity Notes
metre m length
kilogram kg mass
second s time
ampere A electric current
kelvin K thermodynamic temperature
candela cd luminous intensity
mole mol amount of substance

Derived units

Multiples and submultiples

Units used with the SI

Notes and references

Notes

References

External links

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