Convert gigajoule to kilowatt-hour
Please provide values below to convert gigajoule [GJ] to kilowatt-hour [kW*h], or Convert kilowatt-hour to gigajoule.
1 GJ = 277.777777778 kW*h. To convert gigajoule to kilowatt-hour, multiply the value by 277.777777778; to go the other way, divide by it (1 kW*h = 0.0036 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 = 277.777777778 kW*h
- 1 kW*h = 0.0036 GJ
- 10 GJ = 2777.77777778 kW*h
- 100 GJ = 27777.7777778 kW*h
How to Convert Gigajoule to Kilowatt-Hour
1 GJ = 277.777777777778 kW*h
Example: convert 15 GJ to kW*h:
15 GJ = 15 × 277.777777777778 kW*h = 4166.66666666667 kW*h
Gigajoule to Kilowatt-Hour Conversion Table
| gigajoule | kilowatt-hour |
|---|---|
| 1 GJ | 277.777777778 kW*h |
| 2 GJ | 555.555555556 kW*h |
| 3 GJ | 833.333333333 kW*h |
| 5 GJ | 1388.88888889 kW*h |
| 10 GJ | 2777.77777778 kW*h |
| 20 GJ | 5555.55555556 kW*h |
| 50 GJ | 13888.8888889 kW*h |
| 100 GJ | 27777.7777778 kW*h |
| 500 GJ | 138888.888889 kW*h |
| 1000 GJ | 277777.777778 kW*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.
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.
Frequently Asked Questions
What is 1 gigajoule in kilowatt-hour?
1 gigajoule (GJ) = 277.777777778 kilowatt-hour (kW*h).
How do you convert gigajoule to kilowatt-hour?
Multiply the gigajoule value by 277.777777778. For example, 25 GJ × 277.777777778 = 6944.44444444 kW*h.
What is 10 gigajoule in kilowatt-hour?
10 GJ = 2777.77777778 kW*h.
Which unit is larger, the gigajoule or the kilowatt-hour?
The gigajoule is the larger unit: 1 GJ = 277.777777778 kW*h.