Megajoules to Kilowatt-hours Converter
Convert megajoules (MJ) to kilowatt-hours (kWh) instantly. Energy conversions link food labels in kJ and kcal, SP Group bills in kWh and air-conditioner capacity in BTU.
Result
- Kilowatt-hours
- 0.277778 kWh
How to use the megajoules to kilowatt-hours converter
- Enter the megajoules (MJ).
- The results update as you type, or press Calculate.
- Read the kilowatt-hours first, then the supporting figures below it.
Formula
Kilowatt-hours = megajoules × 0.2777777778
Worked example
For example, with these inputs:
- Megajoules (MJ): 1
the calculator returns:
- Kilowatt-hours: 0.277778 kWh
Megajoules to Kilowatt-hours table
| Megajoules | Kilowatt-hours |
|---|---|
| 1 MJ | 0.277778 kWh |
| 2 MJ | 0.555556 kWh |
| 5 MJ | 1.3889 kWh |
| 10 MJ | 2.7778 kWh |
| 20 MJ | 5.5556 kWh |
| 25 MJ | 6.9444 kWh |
| 50 MJ | 13.8889 kWh |
| 100 MJ | 27.7778 kWh |
| 250 MJ | 69.4444 kWh |
| 500 MJ | 138.8889 kWh |
| 1,000 MJ | 277.7778 kWh |
About this conversion
Energy conversions link food labels in kJ and kcal, SP Group bills in kWh and air-conditioner capacity in BTU.
A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.
Singapore adopted the metric system in the 1970s, replacing imperial units and traditional Chinese measures in most official uses. Metric units are now standard in schools, trade and government, but older units survive in property, markets and imported goods.
Frequently asked questions
How many kilowatt-hours are in one megajoule?
1 MJ = 0.277778 kWh.
How do I convert MJ to kWh?
Kilowatt-hours = megajoules × 0.2777777778.