The CIPM in published a mean experimental value of 4. 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 You can find metric conversion tables for SI units, as well as English units, currency, and other data.
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. The CIPM in published a mean experimental value of 4.
The use of a capital "C" in Calorie is intended to denote the use of kilocalories rather than calories denoting a single calorie. This is not often understood however, resulting in some confusion when foods are only labeled as Calories rather than kilocalories. Calories are also used within scientific contexts, such as chemistry. In these contexts, the term being referenced is most often the small calorie, though measurements are often reported in kilocalories. 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:.
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