Full name: joule
Plural form: joules
Category type: energy
Scale factor: 1
The SI derived unit for energy is the joule.
Valid units must be of the energy type.
You can use this form to select from known units:
The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).