Conversion of power units watt W watts horsepower - Sengpielaudio
conversion conversions converter convert calculator calculation calculations calculate computer compute power units table measure measures unit units psi bar millibar pounds inches atmosphere English American metric power energy intensity weight volume area side length cubic centimeters gram cubic foot per pound slug cubic inch pound grain cubic foot btu per hour calorie per hour cheval-vapeur dyne centimeter per second erg per second horsepower tony prone voltamperes watt watts Sengpiel Berlin sengpielaudio
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• Conversion of power units •

Power P is the changing of energy per time unit. That is the quotient of done work and
the required time. P = W / t; W = work, t = time. The SI unit of power is Watt (W).

Fill in the appropriate line the known power value
Attention: Do not re-enter the exact number of an answer.
abwatt (emu of power)
btu (IT) per hour
btu (IT) per minute
btu (IT) per second
btu (therm.) per hour
btu (therm.) per minute
btu (therm.) per second
calorie (IT) per hour
calorie (IT) per minute
calorie (IT) per second
calorie (therm.) per hour
calorie (therm.) per minute
calorie (therm.) per second
cheval-vapeur (horsepower)
dynecentimeter per second
erg per second
foot-pound force per hour
foot-pound force per minute
foot-pound force per second
foot-poundal per second
horsepower (550 ft-lbf/s), BHP
horsepower (boiler)
horsepower (British), Break HP
horsepower (cheval-vapeur)
horsepower PS Pferdestaerke (metric)
horsepower (water)
kilogram force-meter/second
prony
ton (refrigeration, UK)
ton (refrigeration, US)
voltamperes
watts
watt (int. mean)
watt (int. US)
  W kW kcal/s kcal/h kgf/s PS
1W = Nms = J/s 1 0.001 2.39×10-4 0.860 0.102 0.00136
1kW = 1000 1 0.239 860 102 1.36
1kcal/s = 4190 4.19 1 3600 427 5.69
1kcal/h = 1.16 0.00116 0.00028 1 0.119 0.00158

1kgf m/s = 9.81 0.00981 0.00234 8.43 1 0.0133
1PS = 736 0.736 0.176 623 75 1

Conversions of other power units

Power conversion chart to watts

Unit Name Symbol SI Equivalent W
abwatt (emu of power) aW 1×10-7 W
British thermal unit (IT) per hour Btu (IT)/h 0.293071 W
British thermal unit (IT) per minute Btu (IT)/min 17.5843 W
British thermal unit (IT) per second Btu (IT)/s 1055.06 W
British thermal unit (therm.) per hour Btu (therm.)/h 0.292875 W
British thermal unit (therm.) per minute Btu (therm.)/min  17.5725 W
British thermal unit (therm.) per second  Btu (therm.)/s 1054.35 W
calorie (IT) per hour cal (IT)/h 1.16298×10-3 W
calorie (IT) per minute cal (IT)/min 6.9779×10-2 W
calorie (IT) per second cal (IT)/s 4.18674 W
calorie (therm.) per hour cal (therm.)/h 1.62222×10-3 W
calorie (therm.) per minute cal (therm.)/min 6.97333×10-2 W
calorie (therm.) per second cal (therm.)/s 4.184 W
cheval-vapeur (horsepower) cv, HP 735.499 W
dyne-centimeter per second dyn-cm/s 1×10-7 W
erg per second erg/s 1×10-7 W
foot-pound force per hour ft-lbf/h 3.76616×10-4 W
foot-pound force per minute ft-lbf/min 2.2597×10-2 W
foot-pound force per second ft-lbf/s 1.35582 W
foot-poundal per second ft-pdl/s 4.21401×10-2 W
horsepower (550 ft-lbf/s), Break HP HP or BHP 745.699872 W
horsepower (boiler) HP 9809.5 W
horsepower (British), Break HP BHP or HP 745.699872 W
horsepower (cheval-vapeur) cv, HP 735.49875 W
horsepower (electric) HP 746 W
horsepower PS (metric) = 75 kpf·m/s PS 735.49875 W
horsepower (water) HP 746.043 W
kilogram force-meter per second kgf·m/s 9.80665 W
kilowatt kW 1000 W
prony   98.0665 W
ton (refrigeration, UK) CTR (UK) 3922.7 W
ton (refrigeration, US) CTR (US) 3516.8 W
volt-ampere VA 1 W
watt W 1 W
watt (int. mean) W 1.00019 W
watt (int. US) W 1.00016 W

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