What is the Difference Between Horsepower and Kilowatts?
🆚 Go to Comparative Table 🆚Horsepower (HP) and kilowatts (kW) are both units of power used to measure the rate at which work is done. However, they are used in different contexts and have some key differences:
- System of Units: Kilowatt is a unit used in the International System of Units (SI) or metric system, while horsepower is not a standard unit in the SI system.
- Definition: A power level of 1 horsepower is approximately equivalent to 746 watts (W) or 0.746 kilowatts (kW). One kilowatt refers to 1,000 watts.
- Applications: Horsepower is primarily used in the automotive industry and mechanical engineering to measure the power of a vehicle's engine or other mechanical appliances. Kilowatts are used to measure the power of electrical devices and systems.
- Conversion: To convert from horsepower to kilowatts, multiply by 0.746. To convert from kilowatts to horsepower, multiply by 1.34.
In summary, horsepower and kilowatts are both units of power, but they are used for different purposes and in different contexts. Horsepower is primarily used in the automotive industry and mechanical engineering, while kilowatts are used for electrical systems. They also differ in their definition and conversion factors within the SI system.
On this pageWhat is the Difference Between Horsepower and Kilowatts? Comparative Table: Horsepower vs Kilowatts
Comparative Table: Horsepower vs Kilowatts
Here is a table comparing horsepower (HP) and kilowatts (kW):
Unit | Definition | Conversion Formula |
---|---|---|
Mechanical HP | Power required to lift 550 lbs 1 ft in 1 second | 1 HP = 0.745699872 kW |
Electrical HP | Power required to produce an equivalent amount of work | 1 HP = 0.73549875 kW |
Metric HP | Power required to lift 75 kg 1 m in 1 second | 1 HP = 0.73549875 kW |
Boiler HP | Power derived from unique conditions within a boiler | 1 HP (I) = 0.98047166 kW (Boiler) |
Please note that the conversions provided are approximate values and may vary slightly depending on the specific context.
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