Define Power: The rate at which work is done or the amount of transfer of energy per unit time. Power has no direction therefore it is a scalar quantity. Another common unit of power is horsepower i.e compare to power of horse.
Power is equal to work done over time ie. Power Equation : work done / time.
SI unit of power is watt. With Notation as W.
We have some handy power converters to perform power conversions.