Watt second conversions
The watt second conversion selector on this page selects the energy measurement unit to convert to starting from watt seconds (Ws). To make a conversion starting from a unit of energy other than watt second, simply click on the "Reset" button.
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.
Plural: watt seconds
Also known as: watt-second (plural: watt-seconds)