›› Measurement unit: joule

Full name: joule

Plural form: joules

Symbol: J

Category type: energy

Scale factor: 1


›› SI unit: joule

The SI derived unit for energy is the joule.


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›› Definition: Joule

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).


›› Sample conversions: joule

joule to kilojoule
joule to hartree
joule to Btu [thermochemical]
joule to yottajoule
joule to kilogram-force meter
joule to cheval vapeur heure
joule to gallon [UK] of kerosene type jet fuel
joule to calorie [I.T.]
joule to gallon [U.S.] of distillate no. 2 fuel oil
joule to megacalorie [I.T.]