ENERGY
Specific energy
Energy stored or released per unit mass.
Try a decimal, 1e-9, 1/3, or 5 1/2.
ResultWh/kg → kWh/kgConvert watt-hour per kilogram to kilowatt-hour 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 kilowatt-hour 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.