Power Units Conversion

Power units conversion calculator for metric (SI), U.S. customary and imperial measurement systems.

Power unit in SI system is watt (W) which equals to one joule per second. Other common power units are kilowatts (kw), horsepower (hp), ergs per second (erg/s) foot pounds per minute.

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What is Power?

Power is the rate at which work is performed or energy is transferred. In other words, it is a measure of how quickly a work can be done. Power is often measured in watts, kilowatts and horsepowers.

The units of power are units of energy divided by time. The power calculation formula is:

Power = Work / Time

Another way to look at power is as a unit of speed (m/s) combined with a unit of force (N). If you were pushing on something with a force of 1 N, and it moved at a speed of 1 m/s, your power output would be 1 watt.

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