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.
1 hp = 641.615680003 cal(th)/h. To convert horsepower to calorie (th)/hour, multiply the value by 641.615680003; to go the other way, divide by it (1 cal(th)/h = 0.00155856540164 hp). Both units measure power and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 hp = 641.615680003 cal(th)/h
- 1 cal(th)/h = 0.00155856540164 hp
- 10 hp = 6416.15680003 cal(th)/h
- 100 hp = 64161.5680003 cal(th)/h
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 |
|---|---|
| 1 hp | 641.615680003 cal(th)/h |
| 2 hp | 1283.23136001 cal(th)/h |
| 3 hp | 1924.84704001 cal(th)/h |
| 5 hp | 3208.07840002 cal(th)/h |
| 10 hp | 6416.15680003 cal(th)/h |
| 20 hp | 12832.3136001 cal(th)/h |
| 50 hp | 32080.7840002 cal(th)/h |
| 100 hp | 64161.5680003 cal(th)/h |
| 500 hp | 320807.840002 cal(th)/h |
| 1000 hp | 641615.680003 cal(th)/h |
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.
Frequently Asked Questions
What is 1 horsepower in calorie (th)/hour?
1 horsepower (hp) = 641.615680003 calorie (th)/hour (cal(th)/h).
How do you convert horsepower to calorie (th)/hour?
Multiply the horsepower value by 641.615680003. For example, 25 hp × 641.615680003 = 16040.3920001 cal(th)/h.
What is 10 horsepower in calorie (th)/hour?
10 hp = 6416.15680003 cal(th)/h.
Which unit is larger, the horsepower or the calorie (th)/hour?
The horsepower is the larger unit: 1 hp = 641.615680003 cal(th)/h.