What is the calculation method for horsepower and power?

[FrankMarie]

Horsepower and power calculation relationship: 1. Metric system: 1 horsepower = 735 watts = 0.735 kilowatts; 1 kilowatt = 1.36 horsepower; 2. Imperial system: 1 horsepower = 746 watts = 0.746 kilowatts; 1 kilowatt = 1.34 horsepower. The following is relevant information: 1. Automobile power refers to the work done by the car per unit time, and power refers to the work done by an object per unit time. The greater the power, the greater the torque, and the higher the pulling force of the car. Maximum power is commonly used to describe the dynamic performance of a car. 2. Due to the differences between the imperial and metric systems, the definitions of horsepower are fundamentally different. Imperial horsepower (hp) is defined as: a horse pulling a 200-pound (lb) object 165 feet (ft) in one minute, multiplied to equal 33,000 lb-ft/min; while metric horsepower (ps) is defined as a horse pulling a 75kg object 60 meters in one minute, multiplied to equal 4500 kgm/min.