Megajoule per kilogram to Kilowatt-hour per kilogram Converter
1 megajoule per kilogram is about 0.2777777778 kilowatt-hours per kilogram. Convert megajoules per kilogram (MJ/kg) to kilowatt-hours per kilogram (kWh/kg) below: type a value and the result updates as you type.
MJ/kg to kWh/kg calculator
Result
Megajoule per kilogram to Kilowatt-hour per kilogram conversion
1 MJ/kg ≈ 0.2777777778 kWh/kgone megajoule per kilogram in kilowatt-hours per kilogram
1 kWh/kg = 3.6 MJ/kgone kilowatt-hour per kilogram in megajoules per kilogram
Megajoule per kilogram (MJ/kg): Exactly one million J/kg. Fuel heating values are usually given in MJ/kg (gasoline is about 46 MJ/kg).
Kilowatt-hour per kilogram (kWh/kg): Exactly 3.6 MJ/kg. Used for battery and hydrogen energy density.
Source:SI Brochure, 9th edition (BIPM, 2019)
How to convert megajoules per kilogram to kilowatt-hours per kilogram
To convert megajoules per kilogram to kilowatt-hours per kilogram, divide the number of megajoules per kilogram by 3.6.
Formula
kWh/kg = MJ/kg ÷ 3.6
Examples
- 5 MJ/kg = 5 ÷ 3.6 ≈ 1.388888889 kWh/kg
- 25 MJ/kg = 25 ÷ 3.6 ≈ 6.944444444 kWh/kg
- 100 MJ/kg = 100 ÷ 3.6 ≈ 27.77777778 kWh/kg
Megajoule per kilogram to Kilowatt-hour per kilogram conversion table
| Megajoule per kilogram (MJ/kg) | Kilowatt-hour per kilogram (kWh/kg) |
|---|---|
| 0.1 MJ/kg | 0.02777777778 kWh/kg |
| 0.5 MJ/kg | 0.1388888889 kWh/kg |
| 1 MJ/kg | 0.2777777778 kWh/kg |
| 2 MJ/kg | 0.5555555556 kWh/kg |
| 3 MJ/kg | 0.8333333333 kWh/kg |
| 5 MJ/kg | 1.388888889 kWh/kg |
| 10 MJ/kg | 2.777777778 kWh/kg |
| 20 MJ/kg | 5.555555556 kWh/kg |
| 25 MJ/kg | 6.944444444 kWh/kg |
| 50 MJ/kg | 13.88888889 kWh/kg |
| 100 MJ/kg | 27.77777778 kWh/kg |
| 250 MJ/kg | 69.44444444 kWh/kg |
| 500 MJ/kg | 138.8888889 kWh/kg |
| 1000 MJ/kg | 277.7777778 kWh/kg |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many kilowatt-hours per kilogram are in one megajoule per kilogram?
- One megajoule per kilogram is about 0.2777777778 kilowatt-hours per kilogram.
- How do I convert kilowatt-hours per kilogram to megajoules per kilogram?
- To convert kilowatt-hours per kilogram to megajoules per kilogram, multiply the number of kilowatt-hours per kilogram by 3.6. The formula is MJ/kg = kWh/kg × 3.6.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 3.6 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a megajoule per kilogram or a kilowatt-hour per kilogram?
- A kilowatt-hour per kilogram is 3.6 times larger than a megajoule per kilogram. In other words, a megajoule per kilogram is about 0.2777777778 of a kilowatt-hour per kilogram.