ENERGY
Specific energy
Energy stored or released per unit mass.
Try a decimal, 1e-9, 1/3, or 5 1/2.
ResultWh/kg → J/kgConvert watt-hour per kilogram to joule per kilogram
EVERYDAY · ENGINEERING · SCIENCE
Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.
Energy stored or released per unit mass.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a watt-hour per kilogram value to calculate joule per kilogram with full internal precision before display rounding.
Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.
| Unit | Symbol | Converted value |
|---|---|---|
| joule per kilogramfrom Wh/kg | J/kg | Interactive |
| kilojoule per kilogramfrom Wh/kg | kJ/kg | Interactive |
| megajoule per kilogramfrom Wh/kg | MJ/kg | Interactive |
| watt-hour per kilogramfrom Wh/kg | Wh/kg | Interactive |
| kilowatt-hour per kilogramfrom Wh/kg | kWh/kg | Interactive |
| thermochemical calorie per gramfrom Wh/kg | calₜₕ/g | Interactive |
| Btu per poundfrom Wh/kg | BtuIT/lb | Interactive |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.