One kilojoule is equal to how many joules? |
10 Joules 100 Joules 1000 Joules 1 Joule |
1000 Joules |
The unit of energy is, therefore, the same as that of work, that is, joule (J). 1 J is the energy required to do 1 joule of work. Sometimes a larger unit of energy called kilo joule (kJ) is used. 1 kJ equals 1000 J. |