Convert kilojoule to kilowatt-hour
Please provide values below to convert kilojoule [kJ] to kilowatt-hour [kW*h], or Convert kilowatt-hour to kilojoule.
1 kJ = 0.000277777777778 kW*h. To convert kilojoule to kilowatt-hour, multiply the value by 0.000277777777778; to go the other way, divide by it (1 kW*h = 3600 kJ). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 kJ = 0.000277777777778 kW*h
- 1 kW*h = 3600 kJ
- 10 kJ = 0.00277777777778 kW*h
- 100 kJ = 0.0277777777778 kW*h
How to Convert Kilojoule to Kilowatt-Hour
1 kJ = 0.000277777777777778 kW*h
Example: convert 15 kJ to kW*h:
15 kJ = 15 × 0.000277777777777778 kW*h = 0.00416666666666667 kW*h
Kilojoule to Kilowatt-Hour Conversion Table
| kilojoule | kilowatt-hour |
|---|---|
| 1 kJ | 0.000277777777778 kW*h |
| 2 kJ | 0.000555555555556 kW*h |
| 3 kJ | 0.000833333333333 kW*h |
| 5 kJ | 0.00138888888889 kW*h |
| 10 kJ | 0.00277777777778 kW*h |
| 20 kJ | 0.00555555555556 kW*h |
| 50 kJ | 0.0138888888889 kW*h |
| 100 kJ | 0.0277777777778 kW*h |
| 500 kJ | 0.138888888889 kW*h |
| 1000 kJ | 0.277777777778 kW*h |
Kilojoule
A kilojoule (kJ) is a unit of energy equal to 1,000 joules, used to quantify energy transfer or work done.
History/Origin
The kilojoule was introduced as part of the International System of Units (SI) to provide a convenient scale for measuring energy, especially in fields like nutrition and physics, replacing the joule for larger quantities.
Current Use
The kilojoule is widely used in nutrition to express food energy content, in physics and engineering to measure energy transfer, and in various scientific and industrial applications within the 'Energy' converter category.
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 kilojoule in kilowatt-hour?
1 kilojoule (kJ) = 0.000277777777778 kilowatt-hour (kW*h).
How do you convert kilojoule to kilowatt-hour?
Multiply the kilojoule value by 0.000277777777778. For example, 25 kJ × 0.000277777777778 = 0.00694444444444 kW*h.
What is 10 kilojoule in kilowatt-hour?
10 kJ = 0.00277777777778 kW*h.
Which unit is larger, the kilojoule or the kilowatt-hour?
The kilowatt-hour is the larger unit: 1 kJ equals only 0.000277777777778 kW*h.