**Full name:** watt

**Plural form:** watts

**Symbol:** W

**Category type:** power

**Scale factor:** 1

The SI derived unit for power is the watt.

Valid units must be of the **power** type.

You can use this form to select from known units:

The watt (symbol: W) is the SI derived unit for power. It is equivalent to one joule per second (1 J/s), or in electrical units, one volt ampere (1 V·A).

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