Energy & work
Mechanical, electrical, thermal and particle energy.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert megajoule (MJ) to kilowatt-hour (kWh). Enter a value for an instant result, or use the examples and reverse conversion below.
Mechanical, electrical, thermal and particle energy.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a megajoule value to calculate kilowatt-hour 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 |
|---|---|---|
| ergfrom MJ | erg | 10000000000000 |
| microjoulefrom MJ | µJ | 1000000000000 |
| millijoulefrom MJ | mJ | 1000000000 |
| joulefrom MJ | J | 1000000 |
| kilojoulefrom MJ | kJ | 1000 |
| megajoulefrom MJ | MJ | 1 |
| gigajoulefrom MJ | GJ | 0.001 |
| watt-hourfrom MJ | Wh | 277.778 |
| kilowatt-hourfrom MJ | kWh | 0.277778 |
| megawatt-hourfrom MJ | MWh | 0.000277778 |
| thermochemical caloriefrom MJ | calₜₕ | 239006 |
| thermochemical kilocaloriefrom MJ | kcalₜₕ | 239.006 |
| International Table caloriefrom MJ | calIT | 238846 |
| International Table British thermal unitfrom MJ | BtuIT | 947.817 |
| U.S. thermfrom MJ | therm US | 0.00948043 |
| foot pound-forcefrom MJ | ft·lbf | 737562 |
| electronvoltfrom MJ | eV | 6.24151e24 |
| kiloelectronvoltfrom MJ | keV | 6.24151e21 |
| megaelectronvoltfrom MJ | MeV | 6.24151e18 |
| gigaelectronvoltfrom MJ | GeV | 6.24151e15 |
| ton of TNTfrom MJ | t TNT | 0.000239006 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Megajoule (MJ) and kilowatt-hour (kWh) are units of energy & work. Use this page to convert in either direction.
| Megajoule (MJ) | Kilowatt-hour (kWh) |
|---|---|
| 1 MJ | 0.277778 kWh |
| 5 MJ | 1.38889 kWh |
| 10 MJ | 2.77778 kWh |
| 100 MJ | 27.7778 kWh |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
kWh to MJ (kilowatt-hour to megajoule)