+The **watt** (symbol: W) is the fundamental [SI unit](/wiki/SI_Unit) of [Power](/wiki/Power), marking the rate at which energy is used or produced. It defines one joule of energy transferred per second, a quiet measure of work.
+## See also
+- [Energy](/wiki/Energy)
+- [Joule](/wiki/Joule)
+- [James Watt](/wiki/James_Watt)
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