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Kilowatt (kW) and Horsepower (hp) are both units of power used in different contexts. Power is essentially the amount of work that can be done per unit of time. In the context of engines, this refers to the speed at which the engine can deliver work.
A kilowatt is a unit of power in the International System of Units (SI). The symbol for kilowatt is kW. It is a metric unit that is widely used in science, engineering, and daily use in some countries. For example, the energy used by household appliances and machines is often expressed in kilowatts or kilowatt hours.
Horsepower is a unit of power often used to rate the power of vehicle engines, particularly in countries like the United States and the United Kingdom. It comes from the time of the steam engines when people compared the power of a machine to the number of horses it could replace.
There is a direct conversion between kilowatt and horsepower. Namely, 1 kilowatt is equivalent to about 0.98632 horsepower. Although these units both measure power, they are used in different contexts. Kilowatt is often used in more scientific or technical calculations, while horsepower is more commonly used in the automotive industry and other areas where engine power plays a significant role.