Power conversion is essential in electrical engineering, automotive, HVAC, and energy management. Convert between watts, kilowatts, horsepower, BTU/hour, and more with our instant power converter.
Power measures the rate at which energy is transferred or converted. The SI unit is the watt (W). Other common units include horsepower (used for engines), kilowatts (electricity), and BTU/hour (HVAC systems).
A power converter is a tool that allows you to convert between different power units instantly. It supports conversions between 11 different units including Watt, Milliwatt, Kilowatt, Megawatt, Gigawatt, and more.
To convert power units, simply enter the value you want to convert, select the source unit (from), and select the target unit (to). The converter will instantly calculate and display the result with high precision.
Our power converter supports 11 units including: Watt (W), Milliwatt (mW), Kilowatt (kW), Megawatt (MW), Gigawatt (GW), Horsepower (British) (hp), Horsepower (Metric) (PS), BTU/hour (BTU/h), BTU/second (BTU/s), Foot-pound/minute (ft⋅lbf/min), Foot-pound/second (ft⋅lbf/s).
Yes, our power converter uses precise conversion factors and formulas to ensure accurate results. All calculations are performed instantly in your browser for fast, reliable conversions.
Absolutely! Our power converter is fully responsive and works on all devices including smartphones, tablets, and desktop computers. No app download required.
One mechanical horsepower equals approximately 745.7 watts. This unit originated from James Watt comparing steam engine power output to the work of draft horses.