Power Converter

Power Unit Converter Tool

The Power Unit Converter Tool allows users to convert between different units of power measurement, including watts, kilowatts, horsepower, and BTUs per hour. This tool is invaluable for engineers, electricians, and anyone involved in energy management. It ensures precise conversions, aiding in the accurate assessment and management of power consumption and output.

Units of Power Measurement

Power measures the rate at which work is done or energy is transferred. It is a fundamental concept in various fields including engineering, physics, and electronics. Different units are used to measure power depending on the system of measurement and the context. Here’s an overview of some common power units:

  • Watt (W): The SI unit of power. One watt is equal to one joule per second. It is widely used in electrical and mechanical contexts to measure the rate of energy transfer.

  • Kilowatt (kW): A metric unit equal to 1,000 watts. It is commonly used in electrical systems to express the power output of engines and the consumption of electrical appliances.

  • Megawatt (MW): A metric unit equal to 1,000,000 watts or 1,000 kilowatts. It is used to measure large-scale power generation, such as in power plants and large industrial facilities.

  • Horsepower (hp): A unit of power originally used to compare the output of engines with that of horses. Common definitions include:

    • Mechanical Horsepower (hp): Defined as 746 watts in the United States.
    • Metric Horsepower (PS): Defined as approximately 735.5 watts and used in Europe.
  • BTU per Hour (BTU/h): A unit of power used primarily in heating and cooling systems. One BTU per hour is equal to approximately 0.293 watts. It measures the rate at which heat energy is transferred.

  • Calorie per Second (cal/s): A unit of power used in some scientific contexts. One calorie per second is equal to approximately 4.184 watts. It measures the rate of energy transfer in terms of calories.

Power Unit Conversion Table

Watt (W)Kilowatt (kW)Megawatt (MW)Mechanical Horsepower (hp)Metric Horsepower (PS)BTU per Hour (BTU/h)Calorie per Second (cal/s)
1 W0.001 kW0.000001 MW0.00134 hp0.00136 PS3.414 BTU/h0.239 cal/s
10 W0.01 kW0.00001 MW0.0134 hp0.0136 PS34.14 BTU/h2.39 cal/s
100 W0.1 kW0.0001 MW0.134 hp0.136 PS341.4 BTU/h23.9 cal/s
1,000 W1 kW0.001 MW1.34 hp1.36 PS3,414 BTU/h239 cal/s
10,000 W10 kW0.01 MW13.4 hp13.6 PS34,140 BTU/h2,390 cal/s
100,000 W100 kW0.1 MW134 hp136 PS341,400 BTU/h23,900 cal/s
1,000,000 W1,000 kW1 MW1,340 hp1,360 PS3,414,000 BTU/h239,000 cal/s
1 hp746 W0.000746 MW1 hp0.986 PS2,545 BTU/h0.858 cal/s
1 PS735.5 W0.0007355 MW0.986 hp1 PS2,520 BTU/h0.858 cal/s
1 BTU/h0.293 W0.000000293 MW0.00039 hp0.00039 PS1 BTU/h0.00082 cal/s
1 cal/s4.184 W0.000004184 MW0.0056 hp0.0056 PS14.1 BTU/h1 cal/s

This table provides a comprehensive view of conversions between different power units, making it easier to understand and compare power ratings across different contexts and systems.