Convert horsepower hour to gigajoule
Please provide values below to convert horsepower hour [hp*h] to gigajoule [GJ], or Convert gigajoule to horsepower hour.
1 hp*h = 0.00268451954 GJ. To convert horsepower hour to gigajoule, multiply the value by 0.00268451954; to go the other way, divide by it (1 GJ = 372.506135679 hp*h). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 hp*h = 0.00268451954 GJ
- 1 GJ = 372.506135679 hp*h
- 10 hp*h = 0.0268451954 GJ
- 100 hp*h = 0.268451954 GJ
How to Convert Horsepower Hour to Gigajoule
1 hp*h = 0.00268451954 GJ
Example: convert 15 hp*h to GJ:
15 hp*h = 15 × 0.00268451954 GJ = 0.0402677931 GJ
Horsepower Hour to Gigajoule Conversion Table
| horsepower hour | gigajoule |
|---|---|
| 1 hp*h | 0.00268451954 GJ |
| 2 hp*h | 0.00536903908 GJ |
| 3 hp*h | 0.00805355862 GJ |
| 5 hp*h | 0.0134225977 GJ |
| 10 hp*h | 0.0268451954 GJ |
| 20 hp*h | 0.0536903908 GJ |
| 50 hp*h | 0.134225977 GJ |
| 100 hp*h | 0.268451954 GJ |
| 500 hp*h | 1.34225977 GJ |
| 1000 hp*h | 2.68451954 GJ |
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.
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.
Frequently Asked Questions
What is 1 horsepower hour in gigajoule?
1 horsepower hour (hp*h) = 0.00268451954 gigajoule (GJ).
How do you convert horsepower hour to gigajoule?
Multiply the horsepower hour value by 0.00268451954. For example, 25 hp*h × 0.00268451954 = 0.0671129885 GJ.
What is 10 horsepower hour in gigajoule?
10 hp*h = 0.0268451954 GJ.
Which unit is larger, the horsepower hour or the gigajoule?
The gigajoule is the larger unit: 1 hp*h equals only 0.00268451954 GJ.