Convert horsepower hour to megajoule
Please provide values below to convert horsepower hour [hp*h] to megajoule [MJ], or Convert megajoule to horsepower hour.
1 hp*h = 2.68451954 MJ. To convert horsepower hour to megajoule, multiply the value by 2.68451954; to go the other way, divide by it (1 MJ = 0.372506135679 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 = 2.68451954 MJ
- 1 MJ = 0.372506135679 hp*h
- 10 hp*h = 26.8451954 MJ
- 100 hp*h = 268.451954 MJ
How to Convert Horsepower Hour to Megajoule
1 hp*h = 2.68451954 MJ
Example: convert 15 hp*h to MJ:
15 hp*h = 15 × 2.68451954 MJ = 40.2677931 MJ
Horsepower Hour to Megajoule Conversion Table
| horsepower hour | megajoule |
|---|---|
| 1 hp*h | 2.68451954 MJ |
| 2 hp*h | 5.36903908 MJ |
| 3 hp*h | 8.05355862 MJ |
| 5 hp*h | 13.4225977 MJ |
| 10 hp*h | 26.8451954 MJ |
| 20 hp*h | 53.6903908 MJ |
| 50 hp*h | 134.225977 MJ |
| 100 hp*h | 268.451954 MJ |
| 500 hp*h | 1342.25977 MJ |
| 1000 hp*h | 2684.51954 MJ |
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.
Megajoule
A megajoule (MJ) is a unit of energy equal to one million joules.
History/Origin
The megajoule was introduced as part of the metric system to measure large amounts of energy, especially in scientific and engineering contexts, aligning with the SI units established in the 20th century.
Current Use
The megajoule is used in fields such as physics, engineering, and energy industries to quantify large energy quantities, including in energy production, consumption, and scientific research.
Frequently Asked Questions
What is 1 horsepower hour in megajoule?
1 horsepower hour (hp*h) = 2.68451954 megajoule (MJ).
How do you convert horsepower hour to megajoule?
Multiply the horsepower hour value by 2.68451954. For example, 25 hp*h × 2.68451954 = 67.1129885 MJ.
What is 10 horsepower hour in megajoule?
10 hp*h = 26.8451954 MJ.
Which unit is larger, the horsepower hour or the megajoule?
The horsepower hour is the larger unit: 1 hp*h = 2.68451954 MJ.