SI derived quantity: energy

This category of measurement units is defined by the "energy" type, which is an SI derived quantity.

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).

Energy units