Watt second conversions

Convert watt seconds to

watt second (unit of energy), pl. watt seconds, abbr. Ws

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About watt second

The watt second, or watt-second, is a derived unit of energy equal to one joule (1 Ws = 1 J), the SI derived unit of energy.

The watt second (Ws) is also equal to 0.001 kilojoules (kJ), or 2.7777778 × 10-4 watt hours (Wh), or 2.7777778 × 10-7 kilowatt hours (kWh), or 2.7777778 × 10-10 megawatt hours (MWh) or 2.7777778 × 10-13 gigawatt hours (GWh).

The watt second is the energy required to produce one watt of power for one second. The watt (W) is a derived unit of power in the SI while the second (s) is an SI unit of time.

Symbol: Ws

Plural: watt seconds

Also known as: watt-second (plural: watt-seconds)

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