Convert horsepower to calorie (th)/hour
Please provide values below to convert horsepower [hp] to calorie (th)/hour [cal(th)/h], or Convert calorie (th)/hour to horsepower.
How to Convert Horsepower to Calorie (Th)/hour
1 hp = 641.615680003089 cal(th)/h
Example: convert 15 hp to cal(th)/h:
15 hp = 15 × 641.615680003089 cal(th)/h = 9624.23520004634 cal(th)/h
Horsepower to Calorie (Th)/hour Conversion Table
| horsepower | calorie (th)/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.
Calorie (Th)/hour
Calorie per hour (cal(th)/h) is a unit of power representing the amount of heat energy in calories transferred or used per hour.
History/Origin
The calorie, originally defined as the amount of heat needed to raise the temperature of 1 gram of water by 1°C, has been used in various contexts including nutrition and physics. The 'th' denotes the thermochemical calorie, an older standard. The unit cal(th)/h has been used historically in thermodynamics and heat transfer measurements.
Current Use
Today, cal(th)/h is rarely used in modern scientific contexts, having been largely replaced by SI units like watts. However, it may still appear in legacy systems or specialized fields involving heat transfer calculations.