ENERGY
Specific energy
Energy stored or released per unit mass.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result277.778 Wh/kg1 MJ/kg = 277.778 Wh/kg
EVERYDAY · ENGINEERING · SCIENCE
MJ/kg to Wh/kg Converter
Convert megajoule per kilogram (MJ/kg) to watt-hour per kilogram (Wh/kg). Enter a value for an instant result, or use the examples and reverse conversion below.
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HOW IT IS CALCULATED
Convert through joule per kilogram
Enter a megajoule per kilogram value to calculate watt-hour per kilogram with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| joule per kilogramfrom MJ/kg | J/kg | 1000000 |
| kilojoule per kilogramfrom MJ/kg | kJ/kg | 1000 |
| megajoule per kilogramfrom MJ/kg | MJ/kg | 1 |
| watt-hour per kilogramfrom MJ/kg | Wh/kg | 277.778 |
| kilowatt-hour per kilogramfrom MJ/kg | kWh/kg | 0.277778 |
| thermochemical calorie per gramfrom MJ/kg | calₜₕ/g | 239.006 |
| Btu per poundfrom MJ/kg | BtuIT/lb | 429.923 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
MJ/kg to Wh/kg Conversion Reference
Megajoule Per Kilogram (MJ/kg) and watt-hour per kilogram (Wh/kg) are units of specific energy. Use this page to convert in either direction.
Conversion Examples
| Megajoule Per Kilogram (MJ/kg) | Watt-hour Per Kilogram (Wh/kg) |
|---|---|
| 1 MJ/kg | 277.778 Wh/kg |
| 5 MJ/kg | 1388.89 Wh/kg |
| 10 MJ/kg | 2777.78 Wh/kg |
| 100 MJ/kg | 27777.8 Wh/kg |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
Wh/kg to MJ/kg (watt-hour per kilogram to megajoule per kilogram)
Related Specific energy Conversions
MJ/kg to J/kg (megajoule per kilogram to joule per kilogram)MJ/kg to kJ/kg (megajoule per kilogram to kilojoule per kilogram)MJ/kg to kWh/kg (megajoule per kilogram to kilowatt-hour per kilogram)MJ/kg to calₜₕ/g (megajoule per kilogram to thermochemical calorie per gram)MJ/kg to BtuIT/lb (megajoule per kilogram to Btu per pound)