Power Conversion

Power is the rate at which work is done or energy is transferred. The watt (W) is the SI unit of power, equal to one joule per second.

Common Power Units

• Watt (W): The SI unit of power, commonly used in electrical and mechanical applications. One watt equals one joule per second.
• Kilowatt (kW): A unit of power equal to 1000 watts, commonly used for electrical appliances and power generation.
• Megawatt (MW): A unit of power equal to 1,000,000 watts, used for large-scale power generation and industrial applications.
• Horsepower (hp): A unit of power commonly used for engines and motors, especially in automotive applications.
• BTU per hour (BTU/h): A unit of power commonly used in heating and cooling systems, especially in HVAC applications.

Applications

Power conversions are essential in:

• Electrical Engineering: Power generation, transmission, and consumption calculations
• Automotive: Engine power ratings and performance analysis
• HVAC: Heating and cooling system design and efficiency calculations
• Industrial: Motor and machinery power requirements
• Renewable Energy: Solar panel and wind turbine power output calculations

Conversion Examples

• 1000 W = 1 kW (Watt to kilowatt conversion)
• 1 hp = 745.7 W (Horsepower to watt conversion)
• 1 kW = 3412 BTU/h (Kilowatt to BTU per hour conversion)
• 1 W = 1 J/s (Watt to joule per second conversion)

Use our power converter to quickly convert between these and many other power units for your calculations and comparisons.