ENERGY CONVERSION
Megajoule to Kilowatt-hour.
Convert megajoule (MJ) to kilowatt-hour (kWh), with the math explained.
1 MJ = 0.2777777778 kWh
THE MATH, MADE SIMPLE
How to convert megajoule to kilowatt-hour
Multiply your megajoule value by 0.277777777778 to get the equivalent in kilowatt-hour. Both units are normalized through the joule.
kWh = MJ × 0.277777777810 MJ = 2.77777777778 kWh
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
MJ to kWh conversion table
| Megajoule (MJ) | Kilowatt-hour (kWh) |
|---|---|
| 1 MJ | 0.277777777778 kWh |
| 2 MJ | 0.555555555556 kWh |
| 5 MJ | 1.38888888889 kWh |
| 10 MJ | 2.77777777778 kWh |
| 20 MJ | 5.55555555556 kWh |
| 50 MJ | 13.8888888889 kWh |
| 100 MJ | 27.7777777778 kWh |
| 500 MJ | 138.888888889 kWh |
| 1,000 MJ | 277.777777778 kWh |
About the megajoule
The megajoule (MJ) is a unit of energy. One megajoule equals 1,000,000 joule (base unit) in this calculator.
All megajoule 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 MJ in kWh?
One megajoule equals 0.277777777778 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.
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