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watt
 Symbol: W Category: Power (Heat flow) SI Equivalent: 1 W Dimension: ML2T-3 System: SI Notes Named in honor of the Scottish inventor James Watt (1736-1819), the watt is the unit of power in the SI system. It is equal to 1 joule of work produced per second.
Convert     W
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1 W =
 Power (Heat flow) Symbol Unit Name 3.41214 Btu (IT)/h British thermal unit (IT) per hour 9.47817×10-4 Btu (IT)/s British thermal unit (IT) per second 9.48452×10-4 Btu (therm.)/s British thermal unit (therm.) per second 859.858 cal (IT)/h calorie (IT) per hour 0.238849 cal (IT)/s calorie (IT) per second 616.438 cal (therm.)/h calorie (therm.) per hour 0.239006 cal (therm.)/s calorie (therm.) per second 10×106 erg/s erg per second 2655.22 ft-lbf/h foot-pound force per hour 0.737562 ft-lbf/s foot-pound force per second 1.34102×10-3 HP horsepower (550 ft-lbf/s) 1.35962×10-3 cv, HP horsepower (cheval-vapeur) 1.35962×10-3 HP horsepower (metric) 1.34041×10-3 HP horsepower (water) 0.101972 kgf-m/s kilogram force-meter per second 1×10-3 kW kilowatt 2.54927×10-4 CTR (UK) ton (refrigeration, UK) 2.84349×10-4 CTR (US) ton (refrigeration, US) 1 VA volt-ampere 0.99981 W watt (int. mean) 0.999835 W watt (int. US)
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