Convert megajoule to kilowatt-hour
Please provide values below to convert megajoule [MJ] to kilowatt-hour [kW*h], or Convert kilowatt-hour to megajoule.
How to Convert Megajoule to Kilowatt-Hour
1 MJ = 0.277777777777778 kW*h
Example: convert 15 MJ to kW*h:
15 MJ = 15 × 0.277777777777778 kW*h = 4.16666666666667 kW*h
Megajoule to Kilowatt-Hour Conversion Table
| megajoule | kilowatt-hour |
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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.
Kilowatt-Hour
A kilowatt-hour (kW·h) is a unit of energy equal to the energy transferred or used when a power of one kilowatt is sustained for one hour.
History/Origin
The kilowatt-hour originated in the late 19th century with the development of electrical power systems, becoming a standard unit for measuring electrical energy consumption and billing.
Current Use
It is widely used today in electricity billing, energy consumption monitoring, and in various engineering and scientific applications to quantify electrical energy usage.