You can convert between watts and amps here. Among the many different measurements of horsepower Imperial. Use this power converter to convert instantly between horsepower, kilowatts, megawatts, volt amperes, watts and other metric and imperial power units. Similarly, a car with a lot of torque will be able to accelerate faster than the same car with less torque, as its instantaneous output will be higher. 1 Horsepower (Imperial Mechanical):: 550 ft lbf/s. In the context of cars, broadly speaking, this means that a car with a lot of horsepower will have a higher top-speed than the same car with less horsepower. The torque is the twisting force that makes the motor running and the torque is active from 0to 100operating speed. Note that the driving force of an electric motor is torque- not horsepower. Power is quantified in watts (J/s) or horse power. In SI units, a Watt is 1 Joule per 1 Second.Īnother difference between horsepower and torque is that horsepower is energy output over time, and torque is instantaneous. Poweris how rapidly work is accomplished - work in a given amount of time. MHP AND KILOWATT REQUIREMENTS Motor horsepower requirements can be converted to watts and then kilowatts requirements using the following equation: 1 hp. The core difference between these two sets of units is that whereas horsepower is a measurement of power - referring to an amount of energy transfer over time- Newton-meters are a measurement of torque - a measurement of rotational force, which has no unit of time. If you live in Europe, the outputs will be listed in Watts and Newton meters. If you live in the United States or Canada, those numbers will be listed with the units of SAE certified Horsepower (which is the same as horsepower, but certified by the SAE) and pound-feet. When purchasing a new car, the crib sheet includes two output numbers with the engine: horsepower and torque. James Watt chose to compare his engine, which was capable of sustaining it's power output for a full day, to a horse's average power output over a day. In a similar vein, the output of an average human over the course of a day is 100 watts, which is where we get the term energy servant from. Watt defined this amount as "the amount of work required from a horse to pull 150 pounds out of a hole that was 220 feet deep". While it is true that the maximum output of a horse is around 15 horsepower, when you average the output of a horse over the course of a work day it ends up being around a horsepower. Although Watt may have "bent the truth" to make his engine more appealing, he was not lying. Suddenly his invention became much more tempting. Instead, he compared it to the amount of work a horse could do in a day, giving it the output of ten horses instead of just one. If he said that his expensive engine had the same short-term output as a horse, people wouldn't buy it, as they already had horses. When Watt made his improvements to the steam engine, he understandably wanted to convince people to buy it. Therefore the term "horsepower" may seem slightly misleading, but Watt did have his reasons for such a name. Representation of what one horsepower is in terms of watts. For example, heres how to convert 50000 Watts to Horsepower using the formula above. One Watts is equal to 0.00134 Horsepower, so use this simple formula to convert: Watts Horsepower × 0.00134. = 0.00094781712031332 btu per second (BTU/s) To convert Watts to Horsepower, multiply the Power by the conversion ratio. There are 0.00134102209 Horsepower in a watt. In relation to the base unit of => (watts), 1 Volt Ampere (VA) is equal to 1 watts, while 1 Horsepower (hp) = 745.69987158227 watts. How to convert Volt Ampere to Horsepower (VA to hp)?ġ x 0.001341022089595 hp = 0.001341022089595 Horsepower.Īlways check the results rounding errors may occur. The base unit for power is watts (Derived SI Unit)
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