Type in your own numbers in the form to convert the units! You can do the reverse unit conversion from joule to cal , or enter any two units below:. Experimental values of this calorie ranged from 4. It has a number of representations both in SI base units as well as other SI units such that:. He also discovered the relationship between heat and mechanical work, leading to the law of conservation of energy, and subsequently, the first law of thermodynamics. Current use: As an SI derived unit, the joule is used within a variety of scientific contexts.
Practical examples of energy measurement using joules include the energy required to lift objects, the energy released when objects fall, the heat required to raise temperature, and the kinetic energy of moving objects. These units however, are different, and should be considered as such.
Type in your own numbers in the form to convert the units! You can do the reverse unit conversion from cal to joule , or enter any two units below:. The joule symbol J, also called newton meter, watt second, or coulomb volt is the SI unit of energy and work. It is defined as the energy transferred to an object when a one newton force is applied to the object in the direction of its motion through a distance of one meter.
It is also defined as the energy dissipated as heat when a 1 ampere electric current passes through a resistance of one ohm in the course of one second. It has a number of representations both in SI base units as well as other SI units such that:. He also discovered the relationship between heat and mechanical work, leading to the law of conservation of energy, and subsequently, the first law of thermodynamics.
Current use: As an SI derived unit, the joule is used within a variety of scientific contexts.
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