1 horsepower is equal to

Power is a measure of the work rate. It is a measurement of how fast work is performed. For a quantity of work W performed in time t, the power performed is$P=\frac{W}{t}$.

A horsepower (hp) is roughly equivalent to 746 watts (W) or 0.746 kilowatts (kW). Multiply by 746 to convert horsepower to watts. Multiply watts by 0.00134 to convert to horsepower.

Hence, 1 horse power = 746 watts.