To convert Watts (W) to a horsepower rating (HP) simply multiply the Watts by 0.00134
W x 0.00134 = HP
746 watts equals one horsepower.
A 5 horsepower motor would have 3,730 watts of power.
You are thinking watts to horsepower, not amps to horsepower. Please restate the question.
1 horsepower = 746 watts 1 watt = 0.00134 horsepower (rounded)
Electrical power is expressed in watts or in jouls per secondAnother AnswerThere is no such thing as 'electrical power'. Power is simply a rate: the rate of doing work. Power can be measured in watts (in the SI system) or in horsepower (in the Imperial system). There is no reason why the power of a heater can't be measured in horsepower or the power of a car can't be measured in watts.
To convert watts to horsepower, you can use the conversion factor where 1 horsepower is approximately equal to 745.7 watts. To convert 2250 watts to horsepower, divide 2250 by 745.7. Doing this calculation gives you about 3.02 horsepower. Thus, 2250 watts is approximately 3.02 hp.
1 hp = 745.699872 watts
Watts x 0.001341 = hp
To convert horsepower to watts, multiply the horsepower value by 745.7. This conversion factor is based on the definition of one horsepower being equivalent to 745.7 watts. For example, if you have 100 horsepower, the conversion to watts would be 100 hp * 745.7 = 74570 watts.
A total of 1200 watts is equal to 1200/746 = 1.6 horsepower.
One HP equals 746 watts. So 4 HP = 2984 watts.
1 HP = 750 watts / 5250 divided by 750 = 7
To convert watts to horsepower, you can divide the number of watts by 746 (since 1 horsepower is equal to 746 watts). For example, if you have 1000 watts, the conversion would be 1000 watts / 746 = approximately 1.34 horsepower.
http://www.google.com/search?rlz=1C1CHMB_enUS291US304&sourceid=chrome&ie=UTF-8&q=250+watts+to+horsepower
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1 horsepower = 746 watts, 1 watt = 1 volt x 1 amp => 20 Horsepower = 14,920 watts => 14,920 watts / 220 volts = 67.82 amps
1 horsepower = 745.7 watts. A kilovoltampere must be a kilowatt, so 1 horsepower = 0.7457 kilowattsFurther AnswerA kilovoltampere (kVA) is only equal to a kilowatt (kW) for a purely resistive load (or at unity power factor). So, if you know the power factor of the load, you can determine the true power in watts, and divide it by 745.7 to convert watts to horsepower.