Convert horsepower to joule/hour
Enter a value below to convert horsepower [hp] to joule/hour [J/h]. Reverse conversion: Convert joule/hour to horsepower.
1 hp = 2684517.85239 J/h. To convert horsepower to joule/hour, multiply the value by 2684517.85239; to go the other way, divide by it (1 J/h = 3.72506369854e-07 hp). Both units measure power and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Horsepower to Joule/hour: Quick Reference
- 1 hp = 2684517.85239 J/h
- 1 J/h = 3.72506369854e-07 hp
- 10 hp = 26845178.5239 J/h
- 100 hp = 268451785.239 J/h
How to Convert Horsepower to Joule/hour
1 hp = 2684517.85238572 J/h
Example: convert 15 hp to J/h:
15 hp = 15 × 2684517.85238572 J/h = 40267767.7857858 J/h
Horsepower to Joule/hour Conversion Table
| horsepower | joule/hour |
|---|---|
| 1 hp | 2684517.85239 J/h |
| 2 hp | 5369035.70477 J/h |
| 3 hp | 8053553.55716 J/h |
| 5 hp | 13422589.2619 J/h |
| 10 hp | 26845178.5239 J/h |
| 20 hp | 53690357.0477 J/h |
| 50 hp | 134225892.619 J/h |
| 100 hp | 268451785.239 J/h |
| 500 hp | 1342258926.19 J/h |
| 1000 hp | 2684517852.39 J/h |
Horsepower: Definition and Use
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.
Joule/hour: Definition and Use
A joule per hour (J/h) is a unit of power representing the amount of energy (in joules) transferred or converted per hour.
History/Origin
The joule per hour has been used as a measure of power in various scientific and engineering contexts, especially where energy transfer rates are expressed over longer periods. It is derived from the SI unit of energy, the joule, divided by time in hours.
Current Use
Joule per hour is occasionally used in fields like heating, energy consumption, and industrial processes to quantify power over extended durations, though it is less common than watts for standard power measurements.
Horsepower to Joule/hour: Frequently Asked Questions
What is 1 horsepower in joule/hour?
1 horsepower (hp) = 2684517.85239 joule/hour (J/h).
How do you convert horsepower to joule/hour?
Multiply the horsepower value by 2684517.85239. For example, 25 hp × 2684517.85239 = 67112946.3096 J/h.
What is 10 horsepower in joule/hour?
10 hp = 26845178.5239 J/h.
Which unit is larger, the horsepower or the joule/hour?
The horsepower is the larger unit: 1 hp = 2684517.85239 J/h.