Convert gigajoule to horsepower hour
Please provide values below to convert gigajoule [GJ] to horsepower hour [hp*h], or Convert horsepower hour to gigajoule.
1 GJ = 372.506135679 hp*h. To convert gigajoule to horsepower hour, multiply the value by 372.506135679; to go the other way, divide by it (1 hp*h = 0.00268451954 GJ). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 GJ = 372.506135679 hp*h
- 1 hp*h = 0.00268451954 GJ
- 10 GJ = 3725.06135679 hp*h
- 100 GJ = 37250.6135679 hp*h
How to Convert Gigajoule to Horsepower Hour
1 GJ = 372.506135678938 hp*h
Example: convert 15 GJ to hp*h:
15 GJ = 15 × 372.506135678938 hp*h = 5587.59203518407 hp*h
Gigajoule to Horsepower Hour Conversion Table
| gigajoule | horsepower hour |
|---|---|
| 1 GJ | 372.506135679 hp*h |
| 2 GJ | 745.012271358 hp*h |
| 3 GJ | 1117.51840704 hp*h |
| 5 GJ | 1862.53067839 hp*h |
| 10 GJ | 3725.06135679 hp*h |
| 20 GJ | 7450.12271358 hp*h |
| 50 GJ | 18625.3067839 hp*h |
| 100 GJ | 37250.6135679 hp*h |
| 500 GJ | 186253.067839 hp*h |
| 1000 GJ | 372506.135679 hp*h |
Gigajoule
A gigajoule (GJ) is a unit of energy equal to one billion joules, used to measure large amounts of energy such as in power generation and fuel consumption.
History/Origin
The gigajoule was introduced as part of the International System of Units (SI) to provide a standard measure for large-scale energy quantities, especially in scientific and industrial contexts, gaining prominence in the 20th century.
Current Use
Gigajoules are commonly used today to quantify energy in fields like energy production, consumption, and engineering, particularly for large-scale systems such as power plants, fuel storage, and energy audits.
Horsepower Hour
A horsepower hour (hp*h) is a unit of energy representing the amount of energy equivalent to one horsepower of power sustained over one hour of time.
History/Origin
The horsepower hour originated from the traditional unit of horsepower used to quantify engine power, combined with the hour to measure energy consumption or production over time. It has been used primarily in engineering and energy industries to express energy usage or capacity.
Current Use
Today, the horsepower hour is rarely used in practical applications, having been largely replaced by the joule and other SI units. However, it may still be referenced in historical data, legacy systems, or specific industries dealing with older measurement standards within the energy and mechanical sectors.
Frequently Asked Questions
What is 1 gigajoule in horsepower hour?
1 gigajoule (GJ) = 372.506135679 horsepower hour (hp*h).
How do you convert gigajoule to horsepower hour?
Multiply the gigajoule value by 372.506135679. For example, 25 GJ × 372.506135679 = 9312.65339197 hp*h.
What is 10 gigajoule in horsepower hour?
10 GJ = 3725.06135679 hp*h.
Which unit is larger, the gigajoule or the horsepower hour?
The gigajoule is the larger unit: 1 GJ = 372.506135679 hp*h.