Specific energy
Energy stored or released per unit mass.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert joule per kilogram (J/kg) to kilowatt-hour per kilogram (kWh/kg). Enter a value for an instant result, or use the examples and reverse conversion below.
Energy stored or released per unit mass.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a joule per kilogram value to calculate kilowatt-hour per kilogram with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| joule per kilogramfrom J/kg | J/kg | 1 |
| kilojoule per kilogramfrom J/kg | kJ/kg | 0.001 |
| megajoule per kilogramfrom J/kg | MJ/kg | 0.000001 |
| watt-hour per kilogramfrom J/kg | Wh/kg | 0.000277778 |
| kilowatt-hour per kilogramfrom J/kg | kWh/kg | 0.000000277778 |
| thermochemical calorie per gramfrom J/kg | calₜₕ/g | 0.000239006 |
| Btu per poundfrom J/kg | BtuIT/lb | 0.000429923 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Joule Per Kilogram (J/kg) and kilowatt-hour per kilogram (kWh/kg) are units of specific energy. Use this page to convert in either direction.
| Joule Per Kilogram (J/kg) | Kilowatt-hour Per Kilogram (kWh/kg) |
|---|---|
| 1 J/kg | 0.000000277778 kWh/kg |
| 5 J/kg | 0.00000138889 kWh/kg |
| 10 J/kg | 0.00000277778 kWh/kg |
| 100 J/kg | 0.0000277778 kWh/kg |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
kWh/kg to J/kg (kilowatt-hour per kilogram to joule per kilogram)