Energy
Energy
18 units
Common conversions
All units
| Symbol | Name | Factor relative to J |
|---|---|---|
| J | Joule | 1 |
| kJ | Kilojoule | 1000 |
| MJ | Megajoule | 1000000 |
| GJ | Gigajoule | 1.000000 × 10^9 |
| Wh | Watt-hour | 3600 |
| kWh | Kilowatt-hour | 3600000 |
| MWh | Megawatt-hour | 3.600000 × 10^9 |
| cal | Calorie | 4.184 |
| kcal | Kilocalorie | 4184 |
| BTU | British thermal unit | 1055.055853 |
| therm | Therm | 1.055056 × 10^8 |
| ft·lbf | Foot pound-force | 1.355817948 |
| erg | Erg | 1.000000 × 10^-7 |
| eV | Electronvolt | 1.602177 × 10^-19 |
| keV | Kiloelectronvolt | 1.602177 × 10^-16 |
| MeV | Megaelectronvolt | 1.602177 × 10^-13 |
| toe | Tonne of oil equivalent | 4.186800 × 10^10 |
| t TNT | Tonne of TNT equivalent | 4.184000 × 10^9 |