Convert horsepower to kilojoule/hour
Please provide values below to convert horsepower [hp] to kilojoule/hour [kJ/h], or Convert kilojoule/hour to horsepower.
How to Convert Horsepower to Kilojoule/hour
1 hp = 2684.51999785238 kJ/h
Example: convert 15 hp to kJ/h:
15 hp = 15 × 2684.51999785238 kJ/h = 40267.7999677858 kJ/h
Horsepower to Kilojoule/hour Conversion Table
| horsepower | kilojoule/hour |
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Horsepower
Horsepower (hp) is a unit of power measurement originally developed to compare the power of engines and motors, representing the rate at which work is done or energy is transferred.
History/Origin
The term was introduced in the late 18th century by James Watt to compare the power of steam engines to draft horses. It became a standard unit in engineering and automotive industries, with its definition evolving over time from mechanical to metric standards.
Current Use
Horsepower is widely used today to rate the power output of engines, motors, and other machinery, especially in automotive, aerospace, and industrial applications. It remains a common unit for expressing engine power in many countries.
Kilojoule/hour
A kilojoule per hour (kJ/h) is a unit of power representing the amount of energy in kilojoules transferred or converted per hour.
History/Origin
The kilojoule per hour has been used as a measure of power in contexts where energy transfer rates are expressed over time, particularly in engineering and scientific applications, though it is less common than standard SI units like watts.
Current Use
kJ/h is used in specific fields such as thermodynamics and energy management to quantify energy transfer rates, especially in systems where energy is measured in kilojoules and the rate is expressed per hour, though it is often converted to watts for standardization.