| Heat, Energy and Power Units |
|
|
| 1 megajoule (MJ) |
|
238.8 kilocalories |
| 1 MJ is equal to the kinetic energy |
|
= 947.8 Btu |
| of a one tonne vehicle moving at |
|
= 0.278 kilowatt hours |
| 160 km/h (100 mph) |
|
= 1 million joules |
| 1000 MJ |
|
1 GJ |
| 1 kilocalorie |
|
3.968 Btu |
| 1,000 kilocalories |
|
3,968 Btu |
| 1 Gigajoule (GJ) |
|
109 joules |
|
|
= 0.948 million Btu |
|
|
= 239 million calories |
|
|
= 278 kWh |
| 1 British thermal unit (Btu) |
|
1055 joules (1.055 kJ) |
| 1 kilowatt hour |
|
= 859.8 kilocalories |
|
|
= 3411 Btu |
| 1 million Btu |
|
1055 megajoules |
|
|
= 2520 megacalories |
|
|
= 293.1 kilowatt hours |
| 1.0 watt |
|
1.0 joule/second |
|
|
= 3.413 Btu/hr |
| 1.0 kilowatt (kW) |
|
3413 Btu/hr |
|
|
= 1.341 horsepower |
| 1.0 kilowatt-hour (kWh) |
|
3.6 MJ = 3413 Btu |
| 1.0 horsepower (hp) |
|
550 foot-pounds per second |
|
|
= 2545 Btu per hour |
|
|
= 745.7 watts = 0.746 kW |