Energy & Electrical
Power Converter
Power is the rate of doing work (energy/time), in watts. kW and MW are used for generators, and mechanical/metric horsepower for engines.
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About this category: Power
Power is the rate of doing work (energy/time), in watts. kW and MW are used for generators, and mechanical/metric horsepower for engines.
Power = energy Γ· time, in watts. Mechanical horsepower = 745.7 W and metric horsepower = 735.5 W.
Practical uses
- Engine and generator power
- Electrical loads and inverters
- HVAC and refrigeration (tons)
Available units
| Unit | Name | Definition | Classification |
|---|---|---|---|
| W | Watt | The SI base unit of power (joule/second). | SI Derived |
| kW | Kilowatt | One thousand watts. | SI Derived |
| MW | Megawatt | One million watts, used for power stations. | SI Derived |
| hp | Mechanical Horsepower | Imperial horsepower = 745.7 watts. | Non-SI |
| PS | Metric Horsepower | Metric horsepower = 735.49875 watts. | Non-SI |
| BTU/h | BTU per Hour | One BTU/h = 0.293 W, used in HVAC. | Non-SI |
| TR | Ton of Refrigeration | One ton of refrigeration = 12,000 BTU/h. | Non-SI |
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