Power and Rate of Work Converters

Power and Engine Output Converters

Convert rate of energy transfer across electrical systems, renewable generators, and automotive combustion or electric engines.

Supported Units of Power

  • Watts (W), Kilowatts (kW), Megawatts (MW), Mechanical Horsepower (hp)

Popular Power Conversions

Conversion PairStandard RatioApplication
Kilowatts to Horsepower1 kW ≈ 1.34102 hpEV motor rating vs traditional sports car engines
Horsepower to Kilowatts1 hp = 0.745699872 kWInternal combustion engine output to metric specs
Watts to Kilowatts1,000 W = 1 kWHousehold appliances, solar inverter sizing
Megawatts to Kilowatts1 MW = 1,000 kWPower plant generation, grid capacity

Frequently Asked Questions

What is the definition of mechanical horsepower?

One mechanical horsepower (imperial) is defined as approximately 745.699872 watts, representing the power needed to lift 550 pounds by one foot in one second.

What is the difference between power and energy?

Power is the rate at which energy is produced or consumed (measured in Watts = Joules/second). Energy is the total capacity or cumulative consumption (measured in Joules or kWh).