ENERGY CONVERSION
Kilojoule to Kilowatt-hour.
Convert kilojoule (kJ) to kilowatt-hour (kWh), with the math explained.
1 kJ = 0.0002777777778 kWh
THE MATH, MADE SIMPLE
How to convert kilojoule to kilowatt-hour
Multiply your kilojoule value by 0.000277777777778 to get the equivalent in kilowatt-hour. Both units are normalized through the joule.
kWh = kJ × 0.000277777777810 kJ = 0.00277777777778 kWh
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
kJ to kWh conversion table
| Kilojoule (kJ) | Kilowatt-hour (kWh) |
|---|---|
| 1 kJ | 0.000277777777778 kWh |
| 2 kJ | 0.000555555555556 kWh |
| 5 kJ | 0.00138888888889 kWh |
| 10 kJ | 0.00277777777778 kWh |
| 20 kJ | 0.00555555555556 kWh |
| 50 kJ | 0.0138888888889 kWh |
| 100 kJ | 0.0277777777778 kWh |
| 500 kJ | 0.138888888889 kWh |
| 1,000 kJ | 0.277777777778 kWh |
About the kilojoule
The kilojoule (kJ) is a unit of energy. One kilojoule equals 1,000 joule (base unit) in this calculator.
All kilojoule conversionsAbout the kilowatt-hour
The kilowatt-hour (kWh) is a unit of energy. One kilowatt-hour equals 3,600,000 joule (base unit) in this calculator.
All kilowatt-hour conversionsCommon questions
What is 1 kJ in kWh?
One kilojoule equals 0.000277777777778 kWh. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
BROWSE BY UNIT