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 | Definition | 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 |
Notes and references
Notes
References
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