Select the appropriate power unit options and then enter your figure into any field of this power unit converter and get the converted value.
Power conversion
In physics, power is the amount of energy transferred or converted per unit time. In the International System of Units (SI), the unit of power is the watt (W), it equals to one joule per second.
Derived power measurement units are also commonly used: 1 Kilowatt (kW) = 1000 Watt (W), and 1 Miliwatt (mW) = 0.001 Watt (W).
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the mechanical horsepower (or imperial horsepower), and the metric horsepower. The following definitions are widely used:
1 Mechanical horsepower, or Horsepower (I) = 745.69987158227 Watt (W),
1 Metric horsepower, or Horsepower (M) = 735.49875 Watt (W).
A calorie per second (cal/s) is another non-SI measurement unit of power. It is defined as follows:
1 Calorie / sec = 4.1868 Watt (W), and 1 Kilocalorie / sec = 1000 Calorie / sec.
One more power measurement unit used in this Power Conversion Calculator is BTU/sec or British thermal unit per second. The British thermal unit (BTU) is a unit of heat. It is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. For this unit the following relation is valid:
1 BTU / sec = 1055.05585262 Watt (W).